Merge remote-tracking branch 'upstream/main' into JsonHijacking

java/ql/test/stubs/akka-2.6.x/akka/util/ByteString.java

@@ -0,0 +1,6 @@
+package akka.util;
+
+/** XML utilities. */
+public class ByteString {
+
+}

java/ql/test/stubs/apache-commons-jexl-2.1.1/org/apache/commons/jexl2/DebugInfo.java

@@ -0,0 +1,14 @@
+package org.apache.commons.jexl2;
+
+public class DebugInfo implements JexlInfo {
+
+    public DebugInfo(String tn, int l, int c) {}
+
+    public String debugString() {
+        return null;
+    }
+
+    public DebugInfo debugInfo() {
+        return null;
+    }
+}

java/ql/test/stubs/apache-commons-jexl-2.1.1/org/apache/commons/jexl2/Expression.java

@@ -0,0 +1,7 @@
+package org.apache.commons.jexl2;
+
+public interface Expression {
+    Object evaluate(JexlContext var1);
+    String getExpression();
+    String dump();
+}

java/ql/test/stubs/apache-commons-jexl-2.1.1/org/apache/commons/jexl2/JexlContext.java

@@ -0,0 +1,7 @@
+package org.apache.commons.jexl2;
+
+public interface JexlContext {
+    Object get(String var1);
+    void set(String var1, Object var2);
+    boolean has(String var1);
+}

java/ql/test/stubs/apache-commons-jexl-2.1.1/org/apache/commons/jexl2/JexlEngine.java

@@ -0,0 +1,49 @@
+package org.apache.commons.jexl2;
+
+import java.util.Map;
+import org.apache.commons.jexl2.introspection.*;
+
+public class JexlEngine {
+
+    public JexlEngine() {}
+
+    public JexlEngine(Uberspect uberspect, Object arithmetic, Map<String, Object> functions, Object log) {}
+
+    public Expression createExpression(String expression) {
+        return null;
+    }
+
+    public Expression createExpression(String expression, JexlInfo info) {
+        return null;
+    }
+
+    public Script createScript(String scriptText) {
+        return null;
+    }
+
+    public Script createScript(String scriptText, JexlInfo info) {
+        return null;
+    }
+
+    public Script createScript(String scriptText, String... names) {
+        return null;
+    }
+
+    public Script createScript(String scriptText, JexlInfo info, String[] names) {
+        return null;
+    }
+
+    public Object getProperty(Object bean, String expr) {
+        return null;
+    }
+
+    public Object getProperty(JexlContext context, Object bean, String expr) {
+        return null;
+    }
+
+    public void setProperty(Object bean, String expr, Object value) {}
+
+    public void setProperty(JexlContext context, Object bean, String expr, Object value) {}
+    
+      
+}

java/ql/test/stubs/apache-commons-jexl-2.1.1/org/apache/commons/jexl2/JexlInfo.java

@@ -0,0 +1,6 @@
+package org.apache.commons.jexl2;
+
+public interface JexlInfo {
+    String debugString();
+    DebugInfo debugInfo();
+}

java/ql/test/stubs/apache-commons-jexl-2.1.1/org/apache/commons/jexl2/MapContext.java

@@ -0,0 +1,14 @@
+package org.apache.commons.jexl2;
+
+public class MapContext implements JexlContext {
+
+    public Object get(String var1) {
+        return null;
+    }
+
+    public void set(String var1, Object var2) {}
+
+    public boolean has(String var1) {
+        return false;
+    }
+}

java/ql/test/stubs/apache-commons-jexl-2.1.1/org/apache/commons/jexl2/Script.java

@@ -0,0 +1,24 @@
+package org.apache.commons.jexl2;
+
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.Callable;
+
+public interface Script {
+    
+    Object execute(JexlContext var1);
+
+    Object execute(JexlContext var1, Object... var2);
+
+    String getText();
+
+    String[] getParameters();
+
+    String[] getLocalVariables();
+
+    Set<List<String>> getVariables();
+
+    Callable<Object> callable(JexlContext var1);
+
+    Callable<Object> callable(JexlContext var1, Object... var2);
+}

java/ql/test/stubs/apache-commons-jexl-2.1.1/org/apache/commons/jexl2/UnifiedJEXL.java

@@ -0,0 +1,47 @@
+package org.apache.commons.jexl2;
+
+import java.io.Writer;
+import java.io.Reader;
+
+public final class UnifiedJEXL {
+
+    public UnifiedJEXL(JexlEngine jexl) {}
+
+    public UnifiedJEXL.Expression parse(String expression) {
+        return null;
+    }
+
+    public UnifiedJEXL.Template createTemplate(String prefix, Reader source, String... parms) {
+        return null;
+    }
+
+    public UnifiedJEXL.Template createTemplate(String source, String... parms) {
+        return null;
+    }
+
+    public UnifiedJEXL.Template createTemplate(String source) {
+        return null;
+    }
+
+    public final class Template {
+
+        public UnifiedJEXL.Template prepare(JexlContext context) {
+            return null;
+        }
+
+        public void evaluate(JexlContext context, Writer writer) {}
+
+        public void evaluate(JexlContext context, Writer writer, Object... args) {}
+    }
+
+    public abstract class Expression {
+
+        public UnifiedJEXL.Expression prepare(JexlContext context) {
+            return null;
+        }
+
+        public Object evaluate(JexlContext context) {
+            return null;
+        }
+    }
+}

java/ql/test/stubs/apache-commons-jexl-2.1.1/org/apache/commons/jexl2/introspection/Sandbox.java

@@ -0,0 +1,10 @@
+package org.apache.commons.jexl2.introspection;
+
+public class Sandbox {
+    
+    public Permissions white(String clazz) {
+        return null;
+    }
+
+    public static class Permissions {}
+}

java/ql/test/stubs/apache-commons-jexl-2.1.1/org/apache/commons/jexl2/introspection/SandboxUberspectImpl.java

@@ -0,0 +1,6 @@
+package org.apache.commons.jexl2.introspection;
+
+public class SandboxUberspectImpl implements Uberspect {
+
+    public SandboxUberspectImpl(Object log, Sandbox sandbox) {}
+}

java/ql/test/stubs/apache-commons-jexl-2.1.1/org/apache/commons/jexl2/introspection/Uberspect.java

@@ -0,0 +1,3 @@
+package org.apache.commons.jexl2.introspection;
+
+public interface Uberspect {}

java/ql/test/stubs/apache-commons-jexl-3.1/org/apache/commons/jexl3/JexlBuilder.java

@@ -0,0 +1,18 @@
+package org.apache.commons.jexl3;
+
+import org.apache.commons.jexl3.introspection.*;
+
+public class JexlBuilder {
+
+    public JexlEngine create() {
+        return null;
+    }
+
+    public JexlBuilder sandbox(JexlSandbox sandbox) {
+        return null;
+    }
+
+    public JexlBuilder uberspect(JexlUberspect uberspect) {
+        return null;
+    }
+}

java/ql/test/stubs/apache-commons-jexl-3.1/org/apache/commons/jexl3/JexlContext.java

@@ -0,0 +1,3 @@
+package org.apache.commons.jexl3;
+
+public interface JexlContext {}

java/ql/test/stubs/apache-commons-jexl-3.1/org/apache/commons/jexl3/JexlEngine.java

@@ -0,0 +1,40 @@
+package org.apache.commons.jexl3;
+
+import org.apache.commons.jexl3.introspection.*;
+
+public abstract class JexlEngine {
+
+    public JexlExpression createExpression(JexlInfo info, String expression) {
+        return null;
+    }
+
+    public JexlExpression createExpression(String expression) {
+        return null;
+    }
+
+    public JexlScript createScript(JexlInfo info, String source, String[] names) {
+        return null;
+    }
+
+    public JexlScript createScript(String scriptText) {
+        return null;
+    }
+
+    public JexlScript createScript(String scriptText, String... names) {
+        return null;
+    }
+
+    public JxltEngine createJxltEngine() {
+        return null;
+    }
+
+    public void setProperty(Object bean, String expr, Object value) {}
+
+    public Object getProperty(Object bean, String expr) {
+        return null;
+    }
+
+    public JexlUberspect getUberspect() {
+        return null;
+    }
+}

java/ql/test/stubs/apache-commons-jexl-3.1/org/apache/commons/jexl3/JexlExpression.java

@@ -0,0 +1,8 @@
+package org.apache.commons.jexl3;
+
+import java.util.concurrent.Callable;
+
+public interface JexlExpression {
+    Object evaluate(JexlContext context);
+    Callable<Object> callable(JexlContext context);
+}

java/ql/test/stubs/apache-commons-jexl-3.1/org/apache/commons/jexl3/JexlInfo.java

@@ -0,0 +1,5 @@
+package org.apache.commons.jexl3;
+
+public class JexlInfo {
+    public JexlInfo(String source, int l, int c) {}
+}

java/ql/test/stubs/apache-commons-jexl-3.1/org/apache/commons/jexl3/JexlScript.java

@@ -0,0 +1,11 @@
+package org.apache.commons.jexl3;
+
+import java.util.concurrent.Callable;
+
+public interface JexlScript {
+
+    Object execute(JexlContext context);
+    Object execute(JexlContext context, Object... args);
+    Callable<Object> callable(JexlContext context);
+    Callable<Object> callable(JexlContext context, Object... args);
+}

java/ql/test/stubs/apache-commons-jexl-3.1/org/apache/commons/jexl3/JxltEngine.java

@@ -0,0 +1,25 @@
+package org.apache.commons.jexl3;
+
+import java.io.Writer;
+
+public class JxltEngine {
+
+    public Expression createExpression(String expression) {
+        return null;
+    }
+
+    public Template createTemplate(String source) {
+        return null;
+    }
+
+    public interface Expression {
+        Object evaluate(JexlContext context);
+        Expression prepare(JexlContext context);
+    }
+
+    public interface Template {
+        void evaluate(JexlContext context, Writer writer);
+        void evaluate(JexlContext context, Writer writer, Object... args);
+        Template prepare(JexlContext context);
+    }
+}

java/ql/test/stubs/apache-commons-jexl-3.1/org/apache/commons/jexl3/MapContext.java

@@ -0,0 +1,3 @@
+package org.apache.commons.jexl3;
+
+public class MapContext implements JexlContext {}

java/ql/test/stubs/apache-commons-jexl-3.1/org/apache/commons/jexl3/introspection/JexlSandbox.java

@@ -0,0 +1,16 @@
+package org.apache.commons.jexl3.introspection;
+
+public class JexlSandbox {
+    
+    public JexlSandbox() {}
+
+    public JexlSandbox(boolean wb) {}
+
+    public JexlSandbox.Permissions white(String clazz) {
+        return null;
+    }
+
+    public static final class Permissions {
+
+    }
+}

java/ql/test/stubs/apache-commons-jexl-3.1/org/apache/commons/jexl3/introspection/JexlUberspect.java

@@ -0,0 +1,9 @@
+package org.apache.commons.jexl3.introspection;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+
+public interface JexlUberspect {}

java/ql/test/stubs/apache-commons-lang3-3.7/org/apache/commons/lang3/ObjectUtils.java

@@ -0,0 +1,221 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.lang3;
+
+import java.io.IOException;
+import java.io.Serializable;
+import java.lang.reflect.Array;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.time.Duration;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+import java.util.TreeSet;
+import java.util.function.Supplier;
+
+import org.apache.commons.lang3.text.StrBuilder;
+
+@SuppressWarnings("deprecation") // deprecated class StrBuilder is imported
+// because it is part of the signature of deprecated methods
+public class ObjectUtils {
+    public static class Null implements Serializable {
+    }
+    public static final Null NULL = new Null();
+
+    public static boolean allNotNull(final Object... values) {
+      return false;
+    }
+
+    public static boolean allNull(final Object... values) {
+      return false;
+    }
+
+    public static boolean anyNotNull(final Object... values) {
+      return false;
+    }
+
+    public static boolean anyNull(final Object... values) {
+      return false;
+    }
+
+    public static <T> T clone(final T obj) {
+      return null;
+    }
+
+    public static <T> T cloneIfPossible(final T obj) {
+      return null;
+    }
+
+    public static <T extends Comparable<? super T>> int compare(final T c1, final T c2) {
+      return 0;
+    }
+
+    public static <T extends Comparable<? super T>> int compare(final T c1, final T c2, final boolean nullGreater) {
+      return 0;
+    }
+
+    public static boolean CONST(final boolean v) {
+      return false;
+    }
+
+    public static byte CONST(final byte v) {
+      return 0;
+    }
+
+    public static char CONST(final char v) {
+      return '\0';
+    }
+
+    public static double CONST(final double v) {
+      return 0;
+    }
+
+    public static float CONST(final float v) {
+      return 0;
+    }
+
+    public static int CONST(final int v) {
+      return 0;
+    }
+
+    public static long CONST(final long v) {
+      return 0;
+    }
+
+    public static short CONST(final short v) {
+      return 0;
+    }
+
+    public static <T> T CONST(final T v) {
+      return null;
+    }
+
+    public static byte CONST_BYTE(final int v) {
+      return 0;
+    }
+
+    public static short CONST_SHORT(final int v) {
+      return 0;
+    }
+
+    public static <T> T defaultIfNull(final T object, final T defaultValue) {
+      return null;
+    }
+
+    public static boolean equals(final Object object1, final Object object2) {
+      return false;
+    }
+
+    public static <T> T firstNonNull(final T... values) {
+      return null;
+    }
+
+    public static <T> T getFirstNonNull(final Supplier<T>... suppliers) {
+      return null;
+    }
+
+    public static <T> T getIfNull(final T object, final Supplier<T> defaultSupplier) {
+      return null;
+    }
+
+    public static int hashCode(final Object obj) {
+      return 0;
+    }
+
+    public static int hashCodeMulti(final Object... objects) {
+      return 0;
+    }
+
+    public static void identityToString(final Appendable appendable, final Object object) throws IOException {
+    }
+
+    public static String identityToString(final Object object) {
+      return null;
+    }
+
+    public static void identityToString(final StrBuilder builder, final Object object) {
+    }
+
+    public static void identityToString(final StringBuffer buffer, final Object object) {
+    }
+
+    public static void identityToString(final StringBuilder builder, final Object object) {
+    }
+
+    public static boolean isEmpty(final Object object) {
+      return false;
+    }
+
+    public static boolean isNotEmpty(final Object object) {
+      return false;
+    }
+
+    public static <T extends Comparable<? super T>> T max(final T... values) {
+      return null;
+    }
+
+    public static <T> T median(final Comparator<T> comparator, final T... items) {
+      return null;
+    }
+
+    public static <T extends Comparable<? super T>> T median(final T... items) {
+      return null;
+    }
+
+    public static <T extends Comparable<? super T>> T min(final T... values) {
+      return null;
+    }
+
+    public static <T> T mode(final T... items) {
+      return null;
+    }
+
+    public static boolean notEqual(final Object object1, final Object object2) {
+      return false;
+    }
+
+    public static <T> T requireNonEmpty(final T obj) {
+      return null;
+    }
+
+    public static <T> T requireNonEmpty(final T obj, final String message) {
+      return null;
+    }
+
+    public static String toString(final Object obj) {
+      return null;
+    }
+
+    public static String toString(final Object obj, final String nullStr) {
+      return null;
+    }
+
+    public static String toString(final Object obj, final Supplier<String> supplier) {
+      return null;
+    }
+
+    public static void wait(final Object obj, final Duration duration) throws InterruptedException {
+    }
+
+    public ObjectUtils() {
+    }
+
+}

java/ql/test/stubs/apache-commons-lang3-3.7/org/apache/commons/lang3/RandomUtils.java

@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.lang3;
+
+import java.util.Random;
+
+public class RandomUtils {
+    public RandomUtils() {
+    }
+
+    public static boolean nextBoolean() {
+      return false;
+    }
+
+    public static byte[] nextBytes(final int count) {
+      return null;
+    }
+
+    public static int nextInt(final int startInclusive, final int endExclusive) {
+      return 0;
+    }
+
+    public static int nextInt() {
+      return 0;
+    }
+
+    public static long nextLong(final long startInclusive, final long endExclusive) {
+      return 0;
+    }
+
+    public static long nextLong() {
+      return 0;
+    }
+
+    public static double nextDouble(final double startInclusive, final double endExclusive) {
+      return 0;
+    }
+
+    public static double nextDouble() {
+      return 0;
+    }
+
+    public static float nextFloat(final float startInclusive, final float endExclusive) {
+      return 0;
+    }
+
+    public static float nextFloat() {
+      return 0;
+    }
+
+}

java/ql/test/stubs/apache-commons-lang3-3.7/org/apache/commons/lang3/RegExUtils.java

@@ -0,0 +1,62 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.lang3;
+
+import java.util.regex.Pattern;
+
+public class RegExUtils {
+    public static String removeAll(final String text, final Pattern regex) {
+      return null;
+    }
+
+    public static String removeAll(final String text, final String regex) {
+      return null;
+    }
+
+    public static String removeFirst(final String text, final Pattern regex) {
+      return null;
+    }
+
+    public static String removeFirst(final String text, final String regex) {
+      return null;
+    }
+
+    public static String removePattern(final String text, final String regex) {
+      return null;
+    }
+
+    public static String replaceAll(final String text, final Pattern regex, final String replacement) {
+      return null;
+    }
+
+    public static String replaceAll(final String text, final String regex, final String replacement) {
+      return null;
+    }
+
+    public static String replaceFirst(final String text, final Pattern regex, final String replacement) {
+      return null;
+    }
+
+    public static String replaceFirst(final String text, final String regex, final String replacement) {
+      return null;
+    }
+
+    public static String replacePattern(final String text, final String regex, final String replacement) {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-commons-lang3-3.7/org/apache/commons/lang3/StringUtils.java

@@ -960,4 +960,4 @@ public class StringUtils {
     public StringUtils() {
     }
 
-}
+}

java/ql/test/stubs/apache-commons-lang3-3.7/org/apache/commons/lang3/text/StrLookup.java

@@ -0,0 +1,36 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.lang3.text;
+
+import java.util.Map;
+
+public abstract class StrLookup<V> {
+    public static StrLookup<?> noneLookup() {
+      return null;
+    }
+
+    public static StrLookup<String> systemPropertiesLookup() {
+      return null;
+    }
+
+    public static <V> StrLookup<V> mapLookup(final Map<String, V> map) {
+      return null;
+    }
+
+    public abstract String lookup(String key);
+
+}

java/ql/test/stubs/apache-commons-lang3-3.7/org/apache/commons/lang3/text/StrSubstitutor.java

@@ -0,0 +1,227 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.lang3.text;
+
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+
+
+public class StrSubstitutor {
+    public static <V> String replace(final Object source, final Map<String, V> valueMap) {
+      return null;
+    }
+
+    public static <V> String replace(final Object source, final Map<String, V> valueMap, final String prefix, final String suffix) {
+      return null;
+    }
+
+    public static String replace(final Object source, final Properties valueProperties) {
+      return null;
+    }
+
+    public static String replaceSystemProperties(final Object source) {
+      return null;
+    }
+
+    public StrSubstitutor() {
+    }
+
+    public <V> StrSubstitutor(final Map<String, V> valueMap) {
+    }
+
+    public <V> StrSubstitutor(final Map<String, V> valueMap, final String prefix, final String suffix) {
+    }
+
+    public <V> StrSubstitutor(final Map<String, V> valueMap, final String prefix, final String suffix,
+                              final char escape) {
+    }
+
+    public <V> StrSubstitutor(final Map<String, V> valueMap, final String prefix, final String suffix,
+                              final char escape, final String valueDelimiter) {
+    }
+
+    public StrSubstitutor(final StrLookup<?> variableResolver) {
+    }
+
+    public StrSubstitutor(final StrLookup<?> variableResolver, final String prefix, final String suffix,
+                          final char escape) {
+    }
+
+    public StrSubstitutor(final StrLookup<?> variableResolver, final String prefix, final String suffix,
+                          final char escape, final String valueDelimiter) {
+    }
+
+    public StrSubstitutor(
+            final StrLookup<?> variableResolver, final StrMatcher prefixMatcher, final StrMatcher suffixMatcher,
+            final char escape) {
+    }
+
+    public StrSubstitutor(
+            final StrLookup<?> variableResolver, final StrMatcher prefixMatcher, final StrMatcher suffixMatcher,
+            final char escape, final StrMatcher valueDelimiterMatcher) {
+    }
+
+    public String replace(final String source) {
+      return null;
+    }
+
+    public String replace(final String source, final int offset, final int length) {
+      return null;
+    }
+
+    public String replace(final char[] source) {
+      return null;
+    }
+
+    public String replace(final char[] source, final int offset, final int length) {
+      return null;
+    }
+
+    public String replace(final StringBuffer source) {
+      return null;
+    }
+
+    public String replace(final StringBuffer source, final int offset, final int length) {
+      return null;
+    }
+
+    public String replace(final CharSequence source) {
+      return null;
+    }
+
+    public String replace(final CharSequence source, final int offset, final int length) {
+      return null;
+    }
+
+    public String replace(final StrBuilder source) {
+      return null;
+    }
+
+    public String replace(final StrBuilder source, final int offset, final int length) {
+      return null;
+    }
+
+    public String replace(final Object source) {
+      return null;
+    }
+
+    public boolean replaceIn(final StringBuffer source) {
+      return false;
+    }
+
+    public boolean replaceIn(final StringBuffer source, final int offset, final int length) {
+      return false;
+    }
+
+    public boolean replaceIn(final StringBuilder source) {
+      return false;
+    }
+
+    public boolean replaceIn(final StringBuilder source, final int offset, final int length) {
+      return false;
+    }
+
+    public boolean replaceIn(final StrBuilder source) {
+      return false;
+    }
+
+    public boolean replaceIn(final StrBuilder source, final int offset, final int length) {
+      return false;
+    }
+
+    public char getEscapeChar() {
+      return 0;
+    }
+
+    public void setEscapeChar(final char escapeCharacter) {
+    }
+
+    public StrMatcher getVariablePrefixMatcher() {
+      return null;
+    }
+
+    public StrSubstitutor setVariablePrefixMatcher(final StrMatcher prefixMatcher) {
+      return null;
+    }
+
+    public StrSubstitutor setVariablePrefix(final char prefix) {
+      return null;
+    }
+
+    public StrSubstitutor setVariablePrefix(final String prefix) {
+      return null;
+    }
+
+    public StrMatcher getVariableSuffixMatcher() {
+      return null;
+    }
+
+    public StrSubstitutor setVariableSuffixMatcher(final StrMatcher suffixMatcher) {
+      return null;
+    }
+
+    public StrSubstitutor setVariableSuffix(final char suffix) {
+      return null;
+    }
+
+    public StrSubstitutor setVariableSuffix(final String suffix) {
+      return null;
+    }
+
+    public StrMatcher getValueDelimiterMatcher() {
+      return null;
+    }
+
+    public StrSubstitutor setValueDelimiterMatcher(final StrMatcher valueDelimiterMatcher) {
+      return null;
+    }
+
+    public StrSubstitutor setValueDelimiter(final char valueDelimiter) {
+      return null;
+    }
+
+    public StrSubstitutor setValueDelimiter(final String valueDelimiter) {
+      return null;
+    }
+
+    public StrLookup<?> getVariableResolver() {
+      return null;
+    }
+
+    public void setVariableResolver(final StrLookup<?> variableResolver) {
+    }
+
+    public boolean isEnableSubstitutionInVariables() {
+      return false;
+    }
+
+    public void setEnableSubstitutionInVariables(
+            final boolean enableSubstitutionInVariables) {
+    }
+
+    public boolean isPreserveEscapes() {
+      return false;
+    }
+
+    public void setPreserveEscapes(final boolean preserveEscapes) {
+    }
+
+}

java/ql/test/stubs/apache-commons-lang3-3.7/org/apache/commons/lang3/text/StrTokenizer.java

@@ -17,6 +17,7 @@
 package org.apache.commons.lang3.text;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import java.util.ListIterator;

java/ql/test/stubs/apache-commons-lang3-3.7/org/apache/commons/lang3/text/WordUtils.java

@@ -0,0 +1,79 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.lang3.text;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+
+public class WordUtils {
+    public WordUtils() {
+    }
+
+    public static String wrap(final String str, final int wrapLength) {
+      return null;
+    }
+
+    public static String wrap(final String str, final int wrapLength, final String newLineStr, final boolean wrapLongWords) {
+      return null;
+    }
+
+    public static String wrap(final String str, int wrapLength, String newLineStr, final boolean wrapLongWords, String wrapOn) {
+      return null;
+    }
+
+    public static String capitalize(final String str) {
+      return null;
+    }
+
+    public static String capitalize(final String str, final char... delimiters) {
+      return null;
+    }
+
+    public static String capitalizeFully(final String str) {
+      return null;
+    }
+
+    public static String capitalizeFully(String str, final char... delimiters) {
+      return null;
+    }
+
+    public static String uncapitalize(final String str) {
+      return null;
+    }
+
+    public static String uncapitalize(final String str, final char... delimiters) {
+      return null;
+    }
+
+    public static String swapCase(final String str) {
+      return null;
+    }
+
+    public static String initials(final String str) {
+      return null;
+    }
+
+    public static String initials(final String str, final char... delimiters) {
+      return null;
+    }
+
+    public static boolean containsAllWords(final CharSequence word, final CharSequence... words) {
+      return false;
+    }
+
+}

java/ql/test/stubs/apache-commons-text-1.9/org/apache/commons/text/StrTokenizer.java

@@ -16,8 +16,12 @@
  */
 package org.apache.commons.text;
 
+import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 import java.util.ListIterator;
+import java.util.NoSuchElementException;
+
 
 public class StrTokenizer implements ListIterator<String>, Cloneable {
     public static StrTokenizer getCSVInstance() {

java/ql/test/stubs/apache-commons-text-1.9/org/apache/commons/text/StringSubstitutor.java

@@ -0,0 +1,255 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.text;
+
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.Properties;
+
+import org.apache.commons.text.lookup.StringLookup;
+import org.apache.commons.text.matcher.StringMatcher;
+
+public class StringSubstitutor {
+    public static StringSubstitutor createInterpolator() {
+      return null;
+    }
+
+    public static <V> String replace(final Object source, final Map<String, V> valueMap) {
+      return null;
+    }
+
+    public static <V> String replace(final Object source, final Map<String, V> valueMap, final String prefix,
+        final String suffix) {
+      return null;
+    }
+
+    public static String replace(final Object source, final Properties valueProperties) {
+      return null;
+    }
+
+    public static String replaceSystemProperties(final Object source) {
+      return null;
+    }
+
+    public StringSubstitutor() {
+    }
+
+    public <V> StringSubstitutor(final Map<String, V> valueMap) {
+    }
+
+    public <V> StringSubstitutor(final Map<String, V> valueMap, final String prefix, final String suffix) {
+    }
+
+    public <V> StringSubstitutor(final Map<String, V> valueMap, final String prefix, final String suffix,
+        final char escape) {
+    }
+
+    public <V> StringSubstitutor(final Map<String, V> valueMap, final String prefix, final String suffix,
+        final char escape, final String valueDelimiter) {
+    }
+
+    public StringSubstitutor(final StringLookup variableResolver) {
+    }
+
+    public StringSubstitutor(final StringLookup variableResolver, final String prefix, final String suffix,
+        final char escape) {
+    }
+
+    public StringSubstitutor(final StringLookup variableResolver, final String prefix, final String suffix,
+        final char escape, final String valueDelimiter) {
+    }
+
+    public StringSubstitutor(final StringLookup variableResolver, final StringMatcher prefixMatcher,
+        final StringMatcher suffixMatcher, final char escape) {
+    }
+
+    public StringSubstitutor(final StringLookup variableResolver, final StringMatcher prefixMatcher,
+        final StringMatcher suffixMatcher, final char escape, final StringMatcher valueDelimiterMatcher) {
+    }
+
+    public StringSubstitutor(final StringSubstitutor other) {
+    }
+
+    public char getEscapeChar() {
+      return 0;
+    }
+
+    public StringLookup getStringLookup() {
+      return null;
+    }
+
+    public StringMatcher getValueDelimiterMatcher() {
+      return null;
+    }
+
+    public StringMatcher getVariablePrefixMatcher() {
+      return null;
+    }
+
+    public StringMatcher getVariableSuffixMatcher() {
+      return null;
+    }
+
+    public boolean isDisableSubstitutionInValues() {
+      return false;
+    }
+
+    public boolean isEnableSubstitutionInVariables() {
+      return false;
+    }
+
+    public boolean isEnableUndefinedVariableException() {
+      return false;
+    }
+
+    public boolean isPreserveEscapes() {
+      return false;
+    }
+
+    public String replace(final char[] source) {
+      return null;
+    }
+
+    public String replace(final char[] source, final int offset, final int length) {
+      return null;
+    }
+
+    public String replace(final CharSequence source) {
+      return null;
+    }
+
+    public String replace(final CharSequence source, final int offset, final int length) {
+      return null;
+    }
+
+    public String replace(final Object source) {
+      return null;
+    }
+
+    public String replace(final String source) {
+      return null;
+    }
+
+    public String replace(final String source, final int offset, final int length) {
+      return null;
+    }
+
+    public String replace(final StringBuffer source) {
+      return null;
+    }
+
+    public String replace(final StringBuffer source, final int offset, final int length) {
+      return null;
+    }
+
+    public String replace(final TextStringBuilder source) {
+      return null;
+    }
+
+    public String replace(final TextStringBuilder source, final int offset, final int length) {
+      return null;
+    }
+
+    public boolean replaceIn(final StringBuffer source) {
+      return false;
+    }
+
+    public boolean replaceIn(final StringBuffer source, final int offset, final int length) {
+      return false;
+    }
+
+    public boolean replaceIn(final StringBuilder source) {
+      return false;
+    }
+
+    public boolean replaceIn(final StringBuilder source, final int offset, final int length) {
+      return false;
+    }
+
+    public boolean replaceIn(final TextStringBuilder source) {
+      return false;
+    }
+
+    public boolean replaceIn(final TextStringBuilder source, final int offset, final int length) {
+      return false;
+    }
+
+    public StringSubstitutor setDisableSubstitutionInValues(final boolean disableSubstitutionInValues) {
+      return null;
+    }
+
+    public StringSubstitutor setEnableSubstitutionInVariables(final boolean enableSubstitutionInVariables) {
+      return null;
+    }
+
+    public StringSubstitutor setEnableUndefinedVariableException(final boolean failOnUndefinedVariable) {
+      return null;
+    }
+
+    public StringSubstitutor setEscapeChar(final char escapeCharacter) {
+      return null;
+    }
+
+    public StringSubstitutor setPreserveEscapes(final boolean preserveEscapes) {
+      return null;
+    }
+
+    public StringSubstitutor setValueDelimiter(final char valueDelimiter) {
+      return null;
+    }
+
+    public StringSubstitutor setValueDelimiter(final String valueDelimiter) {
+      return null;
+    }
+
+    public StringSubstitutor setValueDelimiterMatcher(final StringMatcher valueDelimiterMatcher) {
+      return null;
+    }
+
+    public StringSubstitutor setVariablePrefix(final char prefix) {
+      return null;
+    }
+
+    public StringSubstitutor setVariablePrefix(final String prefix) {
+      return null;
+    }
+
+    public StringSubstitutor setVariablePrefixMatcher(final StringMatcher prefixMatcher) {
+      return null;
+    }
+
+    public StringSubstitutor setVariableResolver(final StringLookup variableResolver) {
+      return null;
+    }
+
+    public StringSubstitutor setVariableSuffix(final char suffix) {
+      return null;
+    }
+
+    public StringSubstitutor setVariableSuffix(final String suffix) {
+      return null;
+    }
+
+    public StringSubstitutor setVariableSuffixMatcher(final StringMatcher suffixMatcher) {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-commons-text-1.9/org/apache/commons/text/WordUtils.java

@@ -0,0 +1,98 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.text;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+
+public class WordUtils {
+    public WordUtils() {
+    }
+
+    public static String wrap(final String str, final int wrapLength) {
+      return null;
+    }
+
+    public static String wrap(final String str,
+                              final int wrapLength,
+                              final String newLineStr,
+                              final boolean wrapLongWords) {
+      return null;
+    }
+
+    public static String wrap(final String str,
+                              int wrapLength,
+                              String newLineStr,
+                              final boolean wrapLongWords,
+                              String wrapOn) {
+      return null;
+    }
+
+    public static String capitalize(final String str) {
+      return null;
+    }
+
+    public static String capitalize(final String str, final char... delimiters) {
+      return null;
+    }
+
+    public static String capitalizeFully(final String str) {
+      return null;
+    }
+
+    public static String capitalizeFully(String str, final char... delimiters) {
+      return null;
+    }
+
+    public static String uncapitalize(final String str) {
+      return null;
+    }
+
+    public static String uncapitalize(final String str, final char... delimiters) {
+      return null;
+    }
+
+    public static String swapCase(final String str) {
+      return null;
+    }
+
+    public static String initials(final String str) {
+      return null;
+    }
+
+    public static String initials(final String str, final char... delimiters) {
+      return null;
+    }
+
+    public static boolean containsAllWords(final CharSequence word, final CharSequence... words) {
+      return false;
+    }
+
+    public static boolean isDelimiter(final char ch, final char[] delimiters) {
+      return false;
+    }
+
+    public static boolean isDelimiter(final int codePoint, final char[] delimiters) {
+      return false;
+    }
+
+    public static String abbreviate(final String str, int lower, int upper, final String appendToEnd) {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-commons-text-1.9/org/apache/commons/text/lookup/BiStringLookup.java

@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+
+package org.apache.commons.text.lookup;
+
+import java.util.function.BiFunction;
+import java.util.function.Function;
+
+public interface BiStringLookup<U> extends StringLookup {
+    default String lookup(final String key, final U object) {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-commons-text-1.9/org/apache/commons/text/lookup/StringLookup.java

@@ -0,0 +1,37 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+
+package org.apache.commons.text.lookup;
+
+/**
+ * Lookups a String key for a String value.
+ * <p>
+ * This class represents the simplest form of a string to string map. It has a benefit over a map in that it can create
+ * the result on demand based on the key.
+ * </p>
+ * <p>
+ * For example, it would be possible to implement a lookup that used the key as a primary key, and looked up the value
+ * on demand from the database.
+ * </p>
+ *
+ * @since 1.3
+ */
+@FunctionalInterface
+public interface StringLookup {
+    String lookup(String key);
+
+}

java/ql/test/stubs/apache-commons-text-1.9/org/apache/commons/text/lookup/StringLookupFactory.java

@@ -0,0 +1,143 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache license, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the license for the specific language governing permissions and
+ * limitations under the license.
+ */
+
+package org.apache.commons.text.lookup;
+
+import java.util.Map;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+
+
+public final class StringLookupFactory {
+    public static final StringLookupFactory INSTANCE = new StringLookupFactory();
+
+    public static void clear() {
+    }
+
+    public void addDefaultStringLookups(final Map<String, StringLookup> stringLookupMap) {
+    }
+
+    public StringLookup base64DecoderStringLookup() {
+      return null;
+    }
+
+    public StringLookup base64EncoderStringLookup() {
+      return null;
+    }
+
+    public StringLookup base64StringLookup() {
+      return null;
+    }
+
+    public <R, U> BiStringLookup<U> biFunctionStringLookup(final BiFunction<String, U, R> biFunction) {
+      return null;
+    }
+
+    public StringLookup constantStringLookup() {
+      return null;
+    }
+
+    public StringLookup dateStringLookup() {
+      return null;
+    }
+
+    public StringLookup dnsStringLookup() {
+      return null;
+    }
+
+    public StringLookup environmentVariableStringLookup() {
+      return null;
+    }
+
+    public StringLookup fileStringLookup() {
+      return null;
+    }
+
+    public <R> StringLookup functionStringLookup(final Function<String, R> function) {
+      return null;
+    }
+
+    public StringLookup interpolatorStringLookup() {
+      return null;
+    }
+
+    public StringLookup interpolatorStringLookup(final Map<String, StringLookup> stringLookupMap,
+        final StringLookup defaultStringLookup, final boolean addDefaultLookups) {
+      return null;
+    }
+
+    public <V> StringLookup interpolatorStringLookup(final Map<String, V> map) {
+      return null;
+    }
+
+    public StringLookup interpolatorStringLookup(final StringLookup defaultStringLookup) {
+      return null;
+    }
+
+    public StringLookup javaPlatformStringLookup() {
+      return null;
+    }
+
+    public StringLookup localHostStringLookup() {
+      return null;
+    }
+
+    public <V> StringLookup mapStringLookup(final Map<String, V> map) {
+      return null;
+    }
+
+    public StringLookup nullStringLookup() {
+      return null;
+    }
+
+    public StringLookup propertiesStringLookup() {
+      return null;
+    }
+
+    public StringLookup resourceBundleStringLookup() {
+      return null;
+    }
+
+    public StringLookup resourceBundleStringLookup(final String bundleName) {
+      return null;
+    }
+
+    public StringLookup scriptStringLookup() {
+      return null;
+    }
+
+    public StringLookup systemPropertyStringLookup() {
+      return null;
+    }
+
+    public StringLookup urlDecoderStringLookup() {
+      return null;
+    }
+
+    public StringLookup urlEncoderStringLookup() {
+      return null;
+    }
+
+    public StringLookup urlStringLookup() {
+      return null;
+    }
+
+    public StringLookup xmlStringLookup() {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/Header.java

@@ -1,8 +1,4 @@
 /*
- * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/Header.java $
- * $Revision: 569636 $
- * $Date: 2007-08-25 00:34:47 -0700 (Sat, 25 Aug 2007) $
- *
  * ====================================================================
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
@@ -33,38 +29,25 @@ package org.apache.http;
 
 /**
  * Represents an HTTP header field.
- * 
- * <p>
- * The HTTP header fields follow the same generic format as that given in
- * Section 3.1 of RFC 822. Each header field consists of a name followed by a
- * colon (":") and the field value. Field names are case-insensitive. The field
- * value MAY be preceded by any amount of LWS, though a single SP is preferred.
  *
- * <pre>
+ * <p>The HTTP header fields follow the same generic format as
+ * that given in Section 3.1 of RFC 822. Each header field consists
+ * of a name followed by a colon (":") and the field value. Field names
+ * are case-insensitive. The field value MAY be preceded by any amount
+ * of LWS, though a single SP is preferred.
+ *
+ *<pre>
  *     message-header = field-name ":" [ field-value ]
  *     field-name     = token
  *     field-value    = *( field-content | LWS )
  *     field-content  = &lt;the OCTETs making up the field-value
  *                      and consisting of either *TEXT or combinations
  *                      of token, separators, and quoted-string&gt;
- * </pre>
- * 
- * @author <a href="mailto:remm@apache.org">Remy Maucherat</a>
- * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
- * @version $Revision: 569636 $
+ *</pre>
  *
- * @deprecated Please use {@link java.net.URL#openConnection} instead. Please
- *             visit <a href=
- *             "http://android-developers.blogspot.com/2011/09/androids-http-clients.html">this
- *             webpage</a> for further details.
+ * @since 4.0
  */
-@Deprecated
-public interface Header {
-
-    String getName();
-
-    String getValue();
-
+public interface Header extends NameValuePair {
     HeaderElement[] getElements() throws ParseException;
 
 }

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/HttpResponse.java

@@ -0,0 +1,55 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http;
+
+import java.util.Locale;
+
+public interface HttpResponse extends HttpMessage {
+    // StatusLine getStatusLine();
+
+    // void setStatusLine(StatusLine statusline);
+
+    // void setStatusLine(ProtocolVersion ver, int code);
+
+    // void setStatusLine(ProtocolVersion ver, int code, String reason);
+
+    void setStatusCode(int code)
+        throws IllegalStateException;
+
+    void setReasonPhrase(String reason)
+        throws IllegalStateException;
+
+    HttpEntity getEntity();
+
+    void setEntity(HttpEntity entity);
+
+    Locale getLocale();
+
+    void setLocale(Locale loc);
+
+}

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/entity/AbstractHttpEntity.java

@@ -0,0 +1,74 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.entity;
+
+import java.io.IOException;
+import org.apache.http.HttpEntity;
+import org.apache.http.Header;
+
+public abstract class AbstractHttpEntity implements HttpEntity {
+    @Override
+    public Header getContentType() {
+      return null;
+    }
+
+    @Override
+    public Header getContentEncoding() {
+      return null;
+    }
+
+    @Override
+    public boolean isChunked() {
+      return false;
+    }
+
+    public void setContentType(final Header contentType) {
+    }
+
+    public void setContentType(final String ctString) {
+    }
+
+    public void setContentEncoding(final Header contentEncoding) {
+    }
+
+    public void setContentEncoding(final String ceString) {
+    }
+
+    public void setChunked(final boolean b) {
+    }
+
+    @Override
+    public void consumeContent() throws IOException {
+    }
+
+    @Override
+    public String toString() {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/entity/ByteArrayEntity.java

@@ -0,0 +1,78 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.entity;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+
+public class ByteArrayEntity extends AbstractHttpEntity implements Cloneable {
+    public ByteArrayEntity(final byte[] b, final ContentType contentType) {
+    }
+
+    public ByteArrayEntity(final byte[] b, final int off, final int len, final ContentType contentType) {
+    }
+
+    public ByteArrayEntity(final byte[] b) {
+    }
+
+    public ByteArrayEntity(final byte[] b, final int off, final int len) {
+    }
+
+    @Override
+    public boolean isRepeatable() {
+      return false;
+    }
+
+    @Override
+    public long getContentLength() {
+      return 0;
+    }
+
+    @Override
+    public InputStream getContent() {
+      return null;
+    }
+
+    @Override
+    public void writeTo(final OutputStream outStream) throws IOException {
+    }
+
+    @Override
+    public boolean isStreaming() {
+      return false;
+    }
+
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/entity/ContentType.java

@@ -0,0 +1,35 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.entity;
+
+import java.io.Serializable;
+
+
+public final class ContentType implements Serializable {
+
+}

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/entity/StringEntity.java

@@ -0,0 +1,87 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.entity;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.UnsupportedEncodingException;
+import java.nio.charset.Charset;
+import java.nio.charset.UnsupportedCharsetException;
+
+
+public class StringEntity extends AbstractHttpEntity implements Cloneable {
+    public StringEntity(final String string, final ContentType contentType) throws UnsupportedCharsetException {
+    }
+
+    public StringEntity(
+            final String string, final String mimeType, final String charset) throws UnsupportedEncodingException {
+    }
+
+    public StringEntity(final String string, final String charset)
+            throws UnsupportedCharsetException {
+    }
+
+    public StringEntity(final String string, final Charset charset) {
+    }
+
+    public StringEntity(final String string)
+            throws UnsupportedEncodingException {
+    }
+
+    @Override
+    public boolean isRepeatable() {
+      return false;
+    }
+
+    @Override
+    public long getContentLength() {
+      return 0;
+    }
+
+    @Override
+    public InputStream getContent() throws IOException {
+      return null;
+    }
+
+    @Override
+    public void writeTo(final OutputStream outStream) throws IOException {
+    }
+
+    @Override
+    public boolean isStreaming() {
+      return false;
+    }
+
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/message/BasicHeader.java

@@ -0,0 +1,65 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.message;
+
+import java.io.Serializable;
+
+import org.apache.http.Header;
+import org.apache.http.HeaderElement;
+import org.apache.http.ParseException;
+
+public class BasicHeader implements Header, Cloneable, Serializable {
+    public BasicHeader(final String name, final String value) {
+    }
+
+    @Override
+    public Object clone() throws CloneNotSupportedException {
+      return null;
+    }
+
+    @Override
+    public HeaderElement[] getElements() throws ParseException {
+      return null;
+    }
+
+    @Override
+    public String getName() {
+      return null;
+    }
+
+    @Override
+    public String getValue() {
+      return null;
+    }
+
+    @Override
+    public String toString() {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/protocol/HttpContext.java

@@ -0,0 +1,37 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.protocol;
+
+public interface HttpContext {
+    Object getAttribute(String id);
+
+    void setAttribute(String id, Object obj);
+
+    Object removeAttribute(String id);
+
+}

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/protocol/HttpRequestHandler.java

@@ -0,0 +1,38 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.protocol;
+
+import java.io.IOException;
+import org.apache.http.HttpRequest;
+import org.apache.http.HttpResponse;
+
+public interface HttpRequestHandler {
+    void handle(HttpRequest request, HttpResponse response, HttpContext context)
+            throws IOException;
+
+}

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/util/Args.java

@@ -0,0 +1,78 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.util;
+
+import java.util.Collection;
+
+public class Args {
+    public static void check(final boolean expression, final String message) {
+    }
+
+    public static void check(final boolean expression, final String message, final Object... args) {
+    }
+
+    public static void check(final boolean expression, final String message, final Object arg) {
+    }
+
+    public static <T> T notNull(final T argument, final String name) {
+      return null;
+    }
+
+    public static <T extends CharSequence> T notEmpty(final T argument, final String name) {
+      return null;
+    }
+
+    public static <T extends CharSequence> T notBlank(final T argument, final String name) {
+      return null;
+    }
+
+    public static <T extends CharSequence> T containsNoBlanks(final T argument, final String name) {
+      return null;
+    }
+
+    public static <E, T extends Collection<E>> T notEmpty(final T argument, final String name) {
+      return null;
+    }
+
+    public static int positive(final int n, final String name) {
+      return 0;
+    }
+
+    public static long positive(final long n, final String name) {
+      return 0;
+    }
+
+    public static int notNegative(final int n, final String name) {
+      return 0;
+    }
+
+    public static long notNegative(final long n, final String name) {
+      return 0;
+    }
+
+}

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/util/ByteArrayBuffer.java

@@ -0,0 +1,93 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.util;
+
+import java.io.Serializable;
+
+public final class ByteArrayBuffer implements Serializable {
+    public ByteArrayBuffer(final int capacity) {
+    }
+
+    public void append(final byte[] b, final int off, final int len) {
+    }
+
+    public void append(final int b) {
+    }
+
+    public void append(final char[] b, final int off, final int len) {
+    }
+
+    public void append(final CharArrayBuffer b, final int off, final int len) {
+    }
+
+    public void clear() {
+    }
+
+    public byte[] toByteArray() {
+      return null;
+    }
+
+    public int byteAt(final int i) {
+      return 0;
+    }
+
+    public int capacity() {
+      return 0;
+    }
+
+    public int length() {
+      return 0;
+    }
+
+    public void ensureCapacity(final int required) {
+    }
+
+    public byte[] buffer() {
+      return null;
+    }
+
+    public void setLength(final int len) {
+    }
+
+    public boolean isEmpty() {
+      return false;
+    }
+
+    public boolean isFull() {
+      return false;
+    }
+
+    public int indexOf(final byte b, final int from, final int to) {
+      return 0;
+    }
+
+    public int indexOf(final byte b) {
+      return 0;
+    }
+
+}

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/util/CharArrayBuffer.java

@@ -0,0 +1,127 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.util;
+
+import java.io.Serializable;
+import java.nio.CharBuffer;
+
+
+public final class CharArrayBuffer implements CharSequence, Serializable {
+    public CharArrayBuffer(final int capacity) {
+    }
+
+    public void append(final char[] b, final int off, final int len) {
+    }
+
+    public void append(final String str) {
+    }
+
+    public void append(final CharArrayBuffer b, final int off, final int len) {
+    }
+
+    public void append(final CharArrayBuffer b) {
+    }
+
+    public void append(final char ch) {
+    }
+
+    public void append(final byte[] b, final int off, final int len) {
+    }
+
+    public void append(final ByteArrayBuffer b, final int off, final int len) {
+    }
+
+    public void append(final Object obj) {
+    }
+
+    public void clear() {
+    }
+
+    public char[] toCharArray() {
+      return null;
+    }
+
+    @Override
+    public char charAt(final int i) {
+      return 0;
+    }
+
+    public char[] buffer() {
+      return null;
+    }
+
+    public int capacity() {
+      return 0;
+    }
+
+    @Override
+    public int length() {
+      return 0;
+    }
+
+    public void ensureCapacity(final int required) {
+    }
+
+    public void setLength(final int len) {
+    }
+
+    public boolean isEmpty() {
+      return false;
+    }
+
+    public boolean isFull() {
+      return false;
+    }
+
+    public int indexOf(final int ch, final int from, final int to) {
+      return 0;
+    }
+
+    public int indexOf(final int ch) {
+      return 0;
+    }
+
+    public String substring(final int beginIndex, final int endIndex) {
+      return null;
+    }
+
+    public String substringTrimmed(final int beginIndex, final int endIndex) {
+      return null;
+    }
+
+    @Override
+    public CharSequence subSequence(final int beginIndex, final int endIndex) {
+      return null;
+    }
+
+    @Override
+    public String toString() {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-4.4.13/org/apache/http/util/EntityUtils.java

@@ -0,0 +1,72 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.util;
+
+import java.io.IOException;
+import java.nio.charset.Charset;
+import org.apache.http.*;
+
+
+public final class EntityUtils {
+    public static void consumeQuietly(final HttpEntity entity) {
+    }
+
+    public static void consume(final HttpEntity entity) throws IOException {
+    }
+
+    public static void updateEntity(
+            final HttpResponse response, final HttpEntity entity) throws IOException {
+    }
+
+    public static byte[] toByteArray(final HttpEntity entity) throws IOException {
+      return null;
+    }
+
+    public static String getContentCharSet(final HttpEntity entity) {
+      return null;
+    }
+
+    public static String getContentMimeType(final HttpEntity entity) {
+      return null;
+    }
+
+    public static String toString(
+            final HttpEntity entity, final Charset defaultCharset) throws IOException {
+      return null;
+    }
+
+    public static String toString(
+            final HttpEntity entity, final String defaultCharset) throws IOException {
+      return null;
+    }
+
+    public static String toString(final HttpEntity entity) throws IOException, ParseException {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/function/Supplier.java

@@ -0,0 +1,33 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.function;
+
+public interface Supplier<T> {
+    T get();
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/ClassicHttpRequest.java

@@ -0,0 +1,36 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+/**
+ * 'Classic' {@link HttpRequest} message that can enclose {@link HttpEntity}.
+ *
+ * @since 5.0
+ */
+public interface ClassicHttpRequest extends HttpRequest, HttpEntityContainer {
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/ClassicHttpResponse.java

@@ -0,0 +1,33 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+import java.io.Closeable;
+
+public interface ClassicHttpResponse extends HttpResponse, HttpEntityContainer, Closeable {
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/ContentType.java

@@ -0,0 +1,159 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+import java.io.Serializable;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
+import java.nio.charset.UnsupportedCharsetException;
+
+public final class ContentType implements Serializable {
+    public static final ContentType APPLICATION_ATOM_XML = null;
+
+    public static final ContentType APPLICATION_FORM_URLENCODED = null;
+
+    public static final ContentType APPLICATION_JSON = null;
+
+    public static final ContentType APPLICATION_NDJSON = null;
+
+    public static final ContentType APPLICATION_OCTET_STREAM = null;
+
+    public static final ContentType APPLICATION_PDF = null;
+
+    public static final ContentType APPLICATION_SOAP_XML = null;
+
+    public static final ContentType APPLICATION_SVG_XML = null;
+
+    public static final ContentType APPLICATION_XHTML_XML = null;
+
+    public static final ContentType APPLICATION_XML = null;
+
+    public static final ContentType APPLICATION_PROBLEM_JSON = null;
+
+    public static final ContentType APPLICATION_PROBLEM_XML = null;
+
+    public static final ContentType APPLICATION_RSS_XML = null;
+
+    public static final ContentType IMAGE_BMP = null;
+
+    public static final ContentType IMAGE_GIF = null;
+
+    public static final ContentType IMAGE_JPEG = null;
+
+    public static final ContentType IMAGE_PNG = null;
+
+    public static final ContentType IMAGE_SVG = null;
+
+    public static final ContentType IMAGE_TIFF = null;
+
+    public static final ContentType IMAGE_WEBP = null;
+
+    public static final ContentType MULTIPART_FORM_DATA = null;
+
+    public static final ContentType MULTIPART_MIXED = null;
+
+    public static final ContentType MULTIPART_RELATED = null;
+
+    public static final ContentType TEXT_HTML = null;
+
+    public static final ContentType TEXT_MARKDOWN = null;
+
+    public static final ContentType TEXT_PLAIN = null;
+
+    public static final ContentType TEXT_XML = null;
+
+    public static final ContentType TEXT_EVENT_STREAM = null;
+
+    public static final ContentType WILDCARD = null;
+
+    private static final NameValuePair[] EMPTY_NAME_VALUE_PAIR_ARRAY = new NameValuePair[0];
+
+    public String getMimeType() {
+      return null;
+    }
+
+    public Charset getCharset() {
+      return null;
+    }
+
+    public String getParameter(final String name) {
+      return null;
+    }
+
+    @Override
+    public String toString() {
+      return null;
+    }
+
+    public static ContentType create(final String mimeType, final Charset charset) {
+      return null;
+    }
+
+    public static ContentType create(final String mimeType) {
+      return null;
+    }
+
+    public static ContentType create(
+            final String mimeType, final String charset) throws UnsupportedCharsetException {
+      return null;
+    }
+
+    public static ContentType create(
+            final String mimeType, final NameValuePair... params) throws UnsupportedCharsetException {
+      return null;
+    }
+
+    public static ContentType parse(final CharSequence s) throws UnsupportedCharsetException {
+      return null;
+    }
+
+    public static ContentType parseLenient(final CharSequence s) throws UnsupportedCharsetException {
+      return null;
+    }
+
+    public static ContentType getByMimeType(final String mimeType) {
+      return null;
+    }
+
+    public ContentType withCharset(final Charset charset) {
+      return null;
+    }
+
+    public ContentType withCharset(final String charset) {
+      return null;
+    }
+
+    public ContentType withParameters(
+            final NameValuePair... params) throws UnsupportedCharsetException {
+      return null;
+    }
+
+    public boolean isSameMimeType(final ContentType contentType) {
+      return false;
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/EntityDetails.java

@@ -0,0 +1,43 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+import java.util.Set;
+
+public interface EntityDetails {
+    long getContentLength();
+
+    String getContentType();
+
+    String getContentEncoding();
+
+    boolean isChunked();
+
+    Set<String> getTrailerNames();
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/Header.java

@@ -0,0 +1,39 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+/**
+ * Represents an HTTP header field consisting of a field name and a field
+ * value.
+ *
+ * @since 4.0
+ */
+public interface Header extends NameValuePair {
+    boolean isSensitive();
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/HttpEntity.java

@@ -0,0 +1,48 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.List;
+
+import org.apache.hc.core5.function.Supplier;
+
+public interface HttpEntity extends EntityDetails, Closeable {
+    boolean isRepeatable();
+
+    InputStream getContent() throws IOException, UnsupportedOperationException;
+
+    void writeTo(OutputStream outStream) throws IOException;
+
+    boolean isStreaming(); 
+    Supplier<List<? extends Header>> getTrailers();
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/HttpEntityContainer.java

@@ -0,0 +1,40 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+/**
+ * Contains an {@link HttpEntity}.
+ *
+ * @since 5.0
+ */
+public interface HttpEntityContainer {
+    HttpEntity getEntity();
+
+    void setEntity(HttpEntity entity);
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/HttpException.java

@@ -0,0 +1,48 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+/**
+ * Signals that an HTTP exception has occurred.
+ *
+ * @since 4.0
+ */
+public class HttpException extends Exception {
+    public HttpException() {
+    }
+
+    public HttpException(final String message) {
+    }
+
+    public HttpException(final String format, final Object... args) {
+    }
+
+    public HttpException(final String message, final Throwable cause) {
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/HttpMessage.java

@@ -0,0 +1,55 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+/**
+ * HTTP messages consist of requests from client to server and responses
+ * from server to client.
+ *
+ * @since 4.0
+ */
+public interface HttpMessage extends MessageHeaders {
+    void setVersion(ProtocolVersion version);
+
+    ProtocolVersion getVersion();
+
+    void addHeader(Header header);
+
+    void addHeader(String name, Object value);
+
+    void setHeader(Header header);
+
+    void setHeader(String name, Object value);
+
+    void setHeaders(Header... headers);
+
+    boolean removeHeader(Header header);
+
+    boolean removeHeaders(String name);
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/HttpRequest.java

@@ -0,0 +1,56 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import org.apache.hc.core5.net.URIAuthority;
+
+public interface HttpRequest extends HttpMessage {
+    String getMethod();
+
+    String getPath();
+
+    void setPath(String path);
+
+    String getScheme();
+
+    void setScheme(String scheme);
+
+    URIAuthority getAuthority();
+
+    void setAuthority(URIAuthority authority);
+
+    String getRequestUri();
+
+    URI getUri() throws URISyntaxException;
+
+    void setUri(final URI requestUri);
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/HttpResponse.java

@@ -0,0 +1,45 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+import java.util.Locale;
+
+public interface HttpResponse extends HttpMessage {
+    int getCode();
+
+    void setCode(int code);
+
+    String getReasonPhrase();
+
+    void setReasonPhrase(String reason);
+
+    Locale getLocale();
+
+    void setLocale(Locale loc);
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/MessageHeaders.java

@@ -0,0 +1,51 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+import java.util.Iterator;
+
+public interface MessageHeaders {
+    boolean containsHeader(String name);
+
+    int countHeaders(String name);
+
+    Header getFirstHeader(String name);
+
+    Header getHeader(String name) throws ProtocolException;
+
+    Header[] getHeaders();
+
+    Header[] getHeaders(String name);
+
+    Header getLastHeader(String name);
+
+    Iterator<Header> headerIterator();
+
+    Iterator<Header> headerIterator(String name);
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/NameValuePair.java

@@ -0,0 +1,40 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+/**
+ * A name-value pair parameter used as an element of HTTP messages.
+ *
+ * @since 4.0
+ */
+public interface NameValuePair {
+    String getName();
+
+    String getValue();
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/ParseException.java

@@ -0,0 +1,52 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+/**
+ * Signals a protocol exception due to failure to parse a message element.
+ *
+ * @since 4.0
+ */
+public class ParseException extends ProtocolException {
+    public ParseException() {
+    }
+
+    public ParseException(final String message) {
+    }
+
+    public ParseException(final String description, final CharSequence text, final int off, final int len, final int errorOffset) {
+    }
+
+    public ParseException(final String description, final CharSequence text, final int off, final int len) {
+    }
+
+    public int getErrorOffset() {
+      return 0;
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/ProtocolException.java

@@ -0,0 +1,49 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+/**
+ * Signals that an HTTP protocol violation has occurred.
+ * For example a malformed status line or headers, a missing message body, etc.
+ *
+ * @since 4.0
+ */
+public class ProtocolException extends HttpException {
+    public ProtocolException() {
+    }
+
+    public ProtocolException(final String message) {
+    }
+
+    public ProtocolException(final String format, final Object... args) {
+    }
+
+    public ProtocolException(final String message, final Throwable cause) {
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/ProtocolVersion.java

@@ -0,0 +1,87 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http;
+
+import java.io.Serializable;
+
+public class ProtocolVersion implements Serializable {
+    public ProtocolVersion(final String protocol, final int major, final int minor) {
+    }
+
+    public final String getProtocol() {
+      return null;
+    }
+
+    public final int getMajor() {
+      return 0;
+    }
+
+    public final int getMinor() {
+      return 0;
+    }
+
+    @Override
+    public final int hashCode() {
+      return 0;
+    }
+
+    public final boolean equals(final int major, final int minor) {
+      return false;
+    }
+
+    @Override
+    public final boolean equals(final Object obj) {
+      return false;
+    }
+
+    public String format() {
+      return null;
+    }
+
+    public boolean isComparable(final ProtocolVersion that) {
+      return false;
+    }
+
+    public int compareToVersion(final ProtocolVersion that) {
+      return 0;
+    }
+
+    public final boolean greaterEquals(final ProtocolVersion version) {
+      return false;
+    }
+
+    public final boolean lessEquals(final ProtocolVersion version) {
+      return false;
+    }
+
+    @Override
+    public String toString() {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/io/HttpRequestHandler.java

@@ -0,0 +1,41 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http.io;
+
+import java.io.IOException;
+
+import org.apache.hc.core5.http.ClassicHttpRequest;
+import org.apache.hc.core5.http.ClassicHttpResponse;
+import org.apache.hc.core5.http.HttpException;
+import org.apache.hc.core5.http.protocol.HttpContext;
+
+public interface HttpRequestHandler {
+    void handle(ClassicHttpRequest request, ClassicHttpResponse response, HttpContext context)
+            throws HttpException, IOException;
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/io/HttpServerRequestHandler.java

@@ -0,0 +1,46 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+package org.apache.hc.core5.http.io;
+import java.io.IOException;
+import org.apache.hc.core5.http.ClassicHttpRequest;
+import org.apache.hc.core5.http.ClassicHttpResponse;
+import org.apache.hc.core5.http.HttpException;
+import org.apache.hc.core5.http.protocol.HttpContext;
+
+public interface HttpServerRequestHandler {
+    interface ResponseTrigger {
+        void sendInformation(ClassicHttpResponse response) throws HttpException, IOException;
+
+        void submitResponse(ClassicHttpResponse response) throws HttpException, IOException;
+
+    }
+    void handle(
+            ClassicHttpRequest request,
+            ResponseTrigger responseTrigger,
+            HttpContext context) throws HttpException, IOException;
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/io/entity/AbstractHttpEntity.java

@@ -0,0 +1,86 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http.io.entity;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+
+import org.apache.hc.core5.function.Supplier;
+import org.apache.hc.core5.http.ContentType;
+import org.apache.hc.core5.http.Header;
+import org.apache.hc.core5.http.HttpEntity;
+import org.apache.hc.core5.util.Args;
+
+public abstract class AbstractHttpEntity implements HttpEntity {
+    public static void writeTo(final HttpEntity entity, final OutputStream outStream) throws IOException {
+    }
+
+    @Override
+    public void writeTo(final OutputStream outStream) throws IOException {
+    }
+
+    @Override
+    public final String getContentType() {
+      return null;
+    }
+
+    @Override
+    public final String getContentEncoding() {
+      return null;
+    }
+
+    @Override
+    public final boolean isChunked() {
+      return false;
+    }
+
+    @Override
+    public boolean isRepeatable() {
+      return false;
+    }
+
+    @Override
+    public Supplier<List<? extends Header>> getTrailers() {
+      return null;
+    }
+
+    @Override
+    public Set<String> getTrailerNames() {
+      return null;
+    }
+
+    @Override
+    public String toString() {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/io/entity/ByteArrayEntity.java

@@ -0,0 +1,92 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http.io.entity;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import org.apache.hc.core5.http.ContentType;
+
+public class ByteArrayEntity extends AbstractHttpEntity {
+    public ByteArrayEntity(
+            final byte[] b, final int off, final int len, final ContentType contentType, final String contentEncoding,
+            final boolean chunked) {
+    }
+
+    public ByteArrayEntity(
+            final byte[] b, final int off, final int len, final ContentType contentType, final String contentEncoding) {
+    }
+
+    public ByteArrayEntity(
+            final byte[] b, final ContentType contentType, final String contentEncoding, final boolean chunked) {
+    }
+
+    public ByteArrayEntity(final byte[] b, final ContentType contentType, final String contentEncoding) {
+    }
+
+    public ByteArrayEntity(final byte[] b, final ContentType contentType, final boolean chunked) {
+    }
+
+    public ByteArrayEntity(final byte[] b, final ContentType contentType) {
+    }
+
+    public ByteArrayEntity(
+            final byte[] b, final int off, final int len, final ContentType contentType,  final boolean chunked) {
+    }
+
+    public ByteArrayEntity(final byte[] b, final int off, final int len, final ContentType contentType) {
+    }
+
+    @Override
+    public final boolean isRepeatable() {
+      return false;
+    }
+
+    @Override
+    public final long getContentLength() {
+      return 0;
+    }
+
+    @Override
+    public final InputStream getContent() {
+      return null;
+    }
+
+    @Override
+    public final void writeTo(final OutputStream outStream) throws IOException {
+    }
+
+    @Override
+    public final boolean isStreaming() {
+      return false;
+    }
+
+    @Override
+    public final void close() throws IOException {
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/io/entity/ByteBufferEntity.java

@@ -0,0 +1,65 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http.io.entity;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.ByteBuffer;
+import org.apache.hc.core5.http.ContentType;
+
+public class ByteBufferEntity extends AbstractHttpEntity {
+    public ByteBufferEntity(final ByteBuffer buffer, final ContentType contentType, final String contentEncoding) {
+    }
+
+    public ByteBufferEntity(final ByteBuffer buffer, final ContentType contentType) {
+    }
+
+    @Override
+    public final boolean isRepeatable() {
+      return false;
+    }
+
+    @Override
+    public final long getContentLength() {
+      return 0;
+    }
+
+    @Override
+    public final InputStream getContent() throws IOException, UnsupportedOperationException {
+      return null;
+    }
+
+    @Override
+    public final boolean isStreaming() {
+      return false;
+    }
+
+    @Override
+    public final void close() throws IOException {
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/io/entity/EntityUtils.java

@@ -0,0 +1,89 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http.io.entity;
+
+import java.io.IOException;
+import java.nio.charset.Charset;
+import java.util.List;
+
+import org.apache.hc.core5.http.HttpEntity;
+import org.apache.hc.core5.http.NameValuePair;
+import org.apache.hc.core5.http.ParseException;
+
+public final class EntityUtils {
+    public static void consumeQuietly(final HttpEntity entity) {
+    }
+
+    public static void consume(final HttpEntity entity) throws IOException {
+    }
+
+    public static byte[] toByteArray(final HttpEntity entity) throws IOException {
+      return null;
+    }
+
+    public static byte[] toByteArray(final HttpEntity entity, final int maxResultLength) throws IOException {
+      return null;
+    }
+
+    public static String toString(
+            final HttpEntity entity, final Charset defaultCharset) throws IOException, ParseException {
+      return null;
+    }
+
+    public static String toString(
+            final HttpEntity entity, final Charset defaultCharset, final int maxResultLength) throws IOException, ParseException {
+      return null;
+    }
+
+    public static String toString(
+            final HttpEntity entity, final String defaultCharset) throws IOException, ParseException {
+      return null;
+    }
+
+    public static String toString(
+            final HttpEntity entity, final String defaultCharset, final int maxResultLength) throws IOException, ParseException {
+      return null;
+    }
+
+    public static String toString(final HttpEntity entity) throws IOException, ParseException {
+      return null;
+    }
+
+    public static String toString(final HttpEntity entity, final int maxResultLength) throws IOException, ParseException {
+      return null;
+    }
+
+    public static List<NameValuePair> parse(final HttpEntity entity) throws IOException {
+      return null;
+    }
+
+    public static List<NameValuePair> parse(final HttpEntity entity, final int maxStreamLength) throws IOException {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/io/entity/HttpEntities.java

@@ -0,0 +1,152 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http.io.entity;
+import java.io.File;
+import java.io.OutputStream;
+import java.io.Serializable;
+import java.nio.charset.Charset;
+import java.nio.file.Path;
+import org.apache.hc.core5.http.ContentType;
+import org.apache.hc.core5.http.Header;
+import org.apache.hc.core5.http.HttpEntity;
+import org.apache.hc.core5.http.NameValuePair;
+import org.apache.hc.core5.io.IOCallback;
+
+public final class HttpEntities {
+    public static HttpEntity create(final String content, final ContentType contentType) {
+      return null;
+    }
+
+    public static HttpEntity create(final String content, final Charset charset) {
+      return null;
+    }
+
+    public static HttpEntity create(final String content) {
+      return null;
+    }
+
+    public static HttpEntity create(final byte[] content, final ContentType contentType) {
+      return null;
+    }
+
+    public static HttpEntity create(final File content, final ContentType contentType) {
+      return null;
+    }
+
+    public static HttpEntity create(final Serializable serializable, final ContentType contentType) {
+      return null;
+    }
+
+    public static HttpEntity createUrlEncoded(
+            final Iterable <? extends NameValuePair> parameters, final Charset charset) {
+      return null;
+    }
+
+    public static HttpEntity create(final IOCallback<OutputStream> callback, final ContentType contentType) {
+      return null;
+    }
+
+    public static HttpEntity gzip(final HttpEntity entity) {
+      return null;
+    }
+
+    public static HttpEntity createGzipped(final String content, final ContentType contentType) {
+      return null;
+    }
+
+    public static HttpEntity createGzipped(final String content, final Charset charset) {
+      return null;
+    }
+
+    public static HttpEntity createGzipped(final String content) {
+      return null;
+    }
+
+    public static HttpEntity createGzipped(final byte[] content, final ContentType contentType) {
+      return null;
+    }
+
+    public static HttpEntity createGzipped(final File content, final ContentType contentType) {
+      return null;
+    }
+
+    public static HttpEntity createGzipped(final Serializable serializable, final ContentType contentType) {
+      return null;
+    }
+
+    public static HttpEntity createGzipped(final IOCallback<OutputStream> callback, final ContentType contentType) {
+      return null;
+    }
+
+    public static HttpEntity createGzipped(final Path content, final ContentType contentType) {
+      return null;
+    }
+
+    public static HttpEntity withTrailers(final HttpEntity entity, final Header... trailers) {
+      return null;
+    }
+
+    public static HttpEntity create(final String content, final ContentType contentType, final Header... trailers) {
+      return null;
+    }
+
+    public static HttpEntity create(final String content, final Charset charset, final Header... trailers) {
+      return null;
+    }
+
+    public static HttpEntity create(final String content, final Header... trailers) {
+      return null;
+    }
+
+    public static HttpEntity create(final byte[] content, final ContentType contentType, final Header... trailers) {
+      return null;
+    }
+
+    public static HttpEntity create(final File content, final ContentType contentType, final Header... trailers) {
+      return null;
+    }
+
+    public static HttpEntity create(
+            final Serializable serializable, final ContentType contentType, final Header... trailers) {
+      return null;
+    }
+
+    public static HttpEntity create(
+            final IOCallback<OutputStream> callback, final ContentType contentType, final Header... trailers) {
+      return null;
+    }
+
+    public static HttpEntity create(final Path content, final ContentType contentType) {
+      return null;
+    }
+
+    public static HttpEntity create(final Path content, final ContentType contentType, final Header... trailers) {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/io/entity/StringEntity.java

@@ -0,0 +1,83 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http.io.entity;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.charset.Charset;
+import org.apache.hc.core5.http.ContentType;
+
+public class StringEntity extends AbstractHttpEntity {
+    public StringEntity(
+            final String string, final ContentType contentType, final String contentEncoding, final boolean chunked) {
+    }
+
+    public StringEntity(final String string, final ContentType contentType, final boolean chunked) {
+    }
+
+    public StringEntity(final String string, final ContentType contentType) {
+    }
+
+    public StringEntity(final String string, final Charset charset) {
+    }
+
+    public StringEntity(final String string, final Charset charset, final boolean chunked) {
+    }
+
+    public StringEntity(final String string) {
+    }
+
+    @Override
+    public final boolean isRepeatable() {
+      return false;
+    }
+
+    @Override
+    public final long getContentLength() {
+      return 0;
+    }
+
+    @Override
+    public final InputStream getContent() throws IOException {
+      return null;
+    }
+
+    @Override
+    public final void writeTo(final OutputStream outStream) throws IOException {
+    }
+
+    @Override
+    public final boolean isStreaming() {
+      return false;
+    }
+
+    @Override
+    public final void close() throws IOException {
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/message/BasicHeader.java

@@ -0,0 +1,59 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http.message;
+import java.io.Serializable;
+import org.apache.hc.core5.http.Header;
+
+public class BasicHeader implements Header, Cloneable, Serializable {
+    public BasicHeader(final String name, final Object value) {
+    }
+
+    public BasicHeader(final String name, final Object value, final boolean sensitive) {
+    }
+
+    @Override
+    public String getName() {
+      return null;
+    }
+
+    @Override
+    public String getValue() {
+      return null;
+    }
+
+    @Override
+    public boolean isSensitive() {
+      return false;
+    }
+
+    @Override
+    public String toString() {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/message/RequestLine.java

@@ -0,0 +1,61 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http.message;
+
+import java.io.Serializable;
+
+import org.apache.hc.core5.http.HttpRequest;
+import org.apache.hc.core5.http.ProtocolVersion;
+
+public final class RequestLine implements Serializable {
+    public RequestLine(final HttpRequest request) {
+    }
+
+    public RequestLine(final String method,
+                       final String uri,
+                       final ProtocolVersion version) {
+    }
+
+    public String getMethod() {
+      return null;
+    }
+
+    public ProtocolVersion getProtocolVersion() {
+      return null;
+    }
+
+    public String getUri() {
+      return null;
+    }
+
+    @Override
+    public String toString() {
+      return null;
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/http/protocol/HttpContext.java

@@ -0,0 +1,42 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.http.protocol;
+import org.apache.hc.core5.http.ProtocolVersion;
+
+public interface HttpContext {
+    ProtocolVersion getProtocolVersion();
+
+    void setProtocolVersion(ProtocolVersion version);
+
+    Object getAttribute(String id);
+
+    Object setAttribute(String id, Object obj);
+
+    Object removeAttribute(String id);
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/io/IOCallback.java

@@ -0,0 +1,34 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.io;
+import java.io.IOException;
+
+public interface IOCallback<T> {
+    void execute(T object) throws IOException;
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/net/URIAuthority.java

@@ -0,0 +1,55 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.net;
+
+public final class URIAuthority {
+    public String getUserInfo() {
+      return null;
+    }
+
+    public String getHostName() {
+      return null;
+    }
+
+    public int getPort() {
+      return 0;
+    }
+
+    public String toString() {
+      return null;
+    }
+
+    public boolean equals(final Object obj) {
+      return false;
+    }
+
+    public int hashCode() {
+      return 0;
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/util/Args.java

@@ -0,0 +1,93 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.util;
+
+import org.apache.hc.core5.http.EntityDetails;
+
+import java.util.Collection;
+
+public class Args {
+    public static void check(final boolean expression, final String message) {
+    }
+
+    public static void check(final boolean expression, final String message, final Object... args) {
+    }
+
+    public static void check(final boolean expression, final String message, final Object arg) {
+    }
+
+    public static long checkContentLength(final EntityDetails entityDetails) {
+      return 0;
+    }
+
+    public static int checkRange(final int value, final int lowInclusive, final int highInclusive,
+                    final String message) {
+      return 0;
+    }
+
+    public static long checkRange(final long value, final long lowInclusive, final long highInclusive,
+                    final String message) {
+      return 0;
+    }
+
+    public static <T extends CharSequence> T containsNoBlanks(final T argument, final String name) {
+      return null;
+    }
+
+    public static <T extends CharSequence> T notBlank(final T argument, final String name) {
+      return null;
+    }
+
+    public static <T extends CharSequence> T notEmpty(final T argument, final String name) {
+      return null;
+    }
+
+    public static <E, T extends Collection<E>> T notEmpty(final T argument, final String name) {
+      return null;
+    }
+
+    public static int notNegative(final int n, final String name) {
+      return 0;
+    }
+
+    public static long notNegative(final long n, final String name) {
+      return 0;
+    }
+
+    public static <T> T notNull(final T argument, final String name) {
+      return null;
+    }
+
+    public static int positive(final int n, final String name) {
+      return 0;
+    }
+
+    public static long positive(final long n, final String name) {
+      return 0;
+    }
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/util/ByteArrayBuffer.java

@@ -0,0 +1,97 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.util;
+
+import java.io.Serializable;
+import java.nio.ByteBuffer;
+
+public final class ByteArrayBuffer implements Serializable {
+    public ByteArrayBuffer(final int capacity) {
+    }
+
+    public void append(final byte[] b, final int off, final int len) {
+    }
+
+    public void append(final int b) {
+    }
+
+    public void append(final char[] b, final int off, final int len) {
+    }
+
+    public void append(final CharArrayBuffer b, final int off, final int len) {
+    }
+
+    public void append(final ByteBuffer buffer) {
+    }
+
+    public void clear() {
+    }
+
+    public byte[] toByteArray() {
+      return null;
+    }
+
+    public int byteAt(final int i) {
+      return 0;
+    }
+
+    public int capacity() {
+      return 0;
+    }
+
+    public int length() {
+      return 0;
+    }
+
+    public void ensureCapacity(final int required) {
+    }
+
+    public byte[] array() {
+      return null;
+    }
+
+    public void setLength(final int len) {
+    }
+
+    public boolean isEmpty() {
+      return false;
+    }
+
+    public boolean isFull() {
+      return false;
+    }
+
+    public int indexOf(final byte b, final int from, final int to) {
+      return 0;
+    }
+
+    public int indexOf(final byte b) {
+      return 0;
+    }
+
+}

java/ql/test/stubs/apache-http-5/org/apache/hc/core5/util/CharArrayBuffer.java

@@ -0,0 +1,125 @@
+/*
+ * ====================================================================
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation.  For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.hc.core5.util;
+
+import java.io.Serializable;
+
+public final class CharArrayBuffer implements CharSequence, Serializable {
+    public CharArrayBuffer(final int capacity) {
+    }
+
+    public void append(final char[] b, final int off, final int len) {
+    }
+
+    public void append(final String str) {
+    }
+
+    public void append(final CharArrayBuffer b, final int off, final int len) {
+    }
+
+    public void append(final CharArrayBuffer b) {
+    }
+
+    public void append(final char ch) {
+    }
+
+    public void append(final byte[] b, final int off, final int len) {
+    }
+
+    public void append(final ByteArrayBuffer b, final int off, final int len) {
+    }
+
+    public void append(final Object obj) {
+    }
+
+    public void clear() {
+    }
+
+    public char[] toCharArray() {
+      return null;
+    }
+
+    @Override
+    public char charAt(final int i) {
+      return 0;
+    }
+
+    public char[] array() {
+      return null;
+    }
+
+    public int capacity() {
+      return 0;
+    }
+
+    @Override
+    public int length() {
+      return 0;
+    }
+
+    public void ensureCapacity(final int required) {
+    }
+
+    public void setLength(final int len) {
+    }
+
+    public boolean isEmpty() {
+      return false;
+    }
+
+    public boolean isFull() {
+      return false;
+    }
+
+    public int indexOf(final int ch, final int from, final int to) {
+      return 0;
+    }
+
+    public int indexOf(final int ch) {
+      return 0;
+    }
+
+    public String substring(final int beginIndex, final int endIndex) {
+      return null;
+    }
+
+    public String substringTrimmed(final int beginIndex, final int endIndex) {
+      return null;
+    }
+
+    @Override
+    public CharSequence subSequence(final int beginIndex, final int endIndex) {
+      return null;
+    }
+
+    @Override
+    public String toString() {
+      return null;
+    }
+
+}

java/ql/test/stubs/ejb-3.2/javax/ejb/CreateException.java

@@ -0,0 +1,71 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+/**
+ * The CreateException exception must be included in the throws clauses of
+ * all create methods defined in an enterprise bean's home or local home
+ * interface. 
+ *
+ * <p> This exception is used as a standard application-level exception to
+ * report a failure to create an EJB object or local object.
+ *
+ * @since EJB 1.0
+ */
+public class CreateException extends java.lang.Exception {
+
+    private static final long serialVersionUID = 6295951740865457514L;
+
+    /**
+     * Constructs a CreateException with no detail message.
+     */  
+    public CreateException() {
+    }
+
+    /**
+     * Constructs a CreateException with the specified
+     * detail message.
+     */  
+    public CreateException(String message) {
+        super(message);
+    }
+}
+

java/ql/test/stubs/ejb-3.2/javax/ejb/EJB.java

@@ -0,0 +1,133 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+import java.lang.annotation.Target;
+import static java.lang.annotation.ElementType.*;
+import java.lang.annotation.Retention;
+import static java.lang.annotation.RetentionPolicy.*;
+
+/**
+ * Indicates a dependency on the local, no-interface, or remote view of an Enterprise
+ * JavaBean.
+ * <p>
+ * Either the <code>beanName</code> or the <code>lookup</code> element can 
+ * be used to resolve the EJB dependency to its target session bean component.  
+ * It is an error to specify values for both <code>beanName</code> and 
+ * <code>lookup</code>.
+ * <p>
+ * If no explicit linking information is provided and there is only one session
+ * bean within the same application that exposes the matching client view type,
+ * by default the EJB dependency resolves to that session bean.
+ *
+ * @since EJB 3.0
+ */
+
+@Target({TYPE, METHOD, FIELD})
+@Retention(RUNTIME)
+public @interface EJB {
+
+    /**
+     * The logical name of the ejb reference within the declaring component's
+     * (e.g., java:comp/env) environment.
+     */
+    String name() default "";
+
+    /**
+     * A string describing the bean.
+     */
+    String description() default "";
+
+    /**
+     * The <code>beanName</code> element references the value of the <code>name</code> 
+     * element of the <code>Stateful</code> or <code>Stateless</code> annotation, 
+     * whether defaulted or explicit. If the deployment descriptor was used to define 
+     * the name of the bean, the <code>beanName</code> element references the 
+     * <code>ejb-name</code> element of the bean definition.
+     * <p>
+     * The <code>beanName</code> element allows disambiguation if multiple session 
+     * beans in the ejb-jar implement the same interface. 
+     * <p>
+     * In order to reference a bean in another ejb-jar file in the same application, 
+     * the <code>beanName</code> may be composed of a path name specifying the ejb-jar 
+     * containing the referenced bean with the bean name of the target bean appended and 
+     * separated from the path name by &#35;. The path name is relative to the jar file 
+     * containing the component that is referencing the target bean.
+     * <p>
+     * Only applicable if the target EJB is defined within the 
+     * same application or stand-alone module as the declaring component.
+     */
+    String beanName() default "";
+
+    /**
+     * The interface type of the Enterprise Java Bean to which this reference
+     * is mapped.
+     * <p>
+     * Holds one of the following types of the target EJB :
+     * <ul>
+     * <li> Local business interface
+     * <li> Bean class (for no-interface view)
+     * <li> Remote business interface
+     * <li> Local Home interface
+     * <li> Remote Home interface
+     * </ul>
+     */
+    Class beanInterface() default Object.class;
+
+    /**
+     * The product specific name of the EJB component to which this
+     * ejb reference should be mapped.  This mapped name is often a
+     * global JNDI name, but may be a name of any form. 
+     * <p>
+     * Application servers are not required to support any particular 
+     * form or type of mapped name, nor the ability to use mapped names. 
+     * The mapped name is product-dependent and often installation-dependent. 
+     * No use of a mapped name is portable. 
+     */ 
+    String mappedName() default "";
+
+    /**
+     * A portable lookup string containing the JNDI name for the target EJB component. 
+     *
+     * @since EJB 3.1
+     */ 
+    String lookup() default "";
+}

java/ql/test/stubs/ejb-3.2/javax/ejb/EJBContext.java

@@ -0,0 +1,252 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+import java.util.*;
+import java.security.Identity;
+import java.security.Principal;
+import javax.transaction.UserTransaction;
+
+/**
+ * The EJBContext interface provides an instance with access to the 
+ * container-provided runtime context of an enterprise bean instance. 
+ *
+ * <p> This interface is extended by the <code>SessionContext</code>, 
+ * <code>EntityContext</code>, and <code>MessageDrivenContext</code> interfaces
+ * to provide additional methods specific to the enterprise interface bean type.
+ * 
+ * @see SessionContext
+ * @see MessageDrivenContext
+ * @see EntityContext
+ *
+ * @since EJB 1.0
+ */
+public interface EJBContext
+{
+    /**
+     * Obtain the enterprise bean's remote home interface.
+     *
+     * @return The enterprise bean's remote home interface.
+     *
+     * @exception java.lang.IllegalStateException if the enterprise bean 
+     * does not have a remote home interface.
+     */
+    EJBHome getEJBHome() throws IllegalStateException;
+
+    /**
+     * Obtain the enterprise bean's local home interface.
+     *
+     * @return The enterprise bean's local home interface.
+     *
+     * @exception java.lang.IllegalStateException if the enterprise bean 
+     * does not have a local home interface.
+     *
+     * @since EJB 2.0
+     */
+    EJBLocalHome getEJBLocalHome() throws IllegalStateException;
+
+    /**
+     * Obtain the enterprise bean's environment properties.
+     * 
+     * <p><b>Note:</b> If the enterprise bean has no environment properties 
+     * this method returns an empty <code>java.util.Properties</code> object. 
+     * This method never returns <code>null</code>.
+     *
+     * @return The environment properties for the enterprise bean.
+     *
+     * @deprecated Use the JNDI naming context java:comp/env to access
+     *    enterprise bean's environment.
+     */
+    Properties getEnvironment();
+
+    /**
+     * Obtain the <code>java.security.Identity</code> of the caller.
+     *
+     * This method is deprecated in EJB 1.1. The Container
+     * is allowed to return always <code>null</code> from this method. The enterprise
+     * bean should use the <code>getCallerPrincipal</code> method instead.
+     *
+     * @return The <code>Identity</code> object that identifies the caller.
+     *
+     * @deprecated Use Principal getCallerPrincipal() instead.
+     */
+    Identity getCallerIdentity();
+
+ 
+    /**
+     * Obtain the <code>java.security.Principal</code> that identifies the caller.
+     * 
+     * @return The <code>Principal</code> object that identifies the caller. This
+     *    method never returns <code>null</code>.
+     *
+     * @exception IllegalStateException The Container throws the exception
+     *    if the instance is not allowed to call this method.
+     *
+     * @since EJB 1.1
+     */
+    Principal getCallerPrincipal() throws IllegalStateException;
+
+    /**
+     * Test if the caller has a given role.
+     *
+     * <p>This method is deprecated in EJB 1.1. The enterprise bean
+     * should use the <code>isCallerInRole(String roleName)</code> method instead.
+     *
+     * @param role The <code>java.security.Identity</code> of the role to be tested.
+     *
+     * @return True if the caller has the specified role.
+     *
+     * @deprecated Use boolean isCallerInRole(String roleName) instead.
+     */
+    boolean isCallerInRole(Identity role);
+
+    /**  
+     * Test if the caller has a given security role.
+     *   
+     * @param roleName The name of the security role. The role must be one of
+     *    the security roles that is defined in the deployment descriptor.
+     *   
+     * @return True if the caller has the specified role.
+     *
+     * @exception IllegalStateException The Container throws the exception
+     *    if the instance is not allowed to call this method.
+     *
+     * @since EJB 1.1
+     */  
+    boolean isCallerInRole(String roleName) throws IllegalStateException;
+
+    /**
+     * Obtain the transaction demarcation interface.
+     *
+     * Only enterprise beans with bean-managed transactions are allowed to
+     * to use the <code>UserTransaction</code> interface. As entity beans must always use
+     * container-managed transactions, only session beans or message-driven
+     * beans with bean-managed transactions are allowed to invoke this method. 
+     *
+     * @return The <code>UserTransaction</code> interface that the enterprise bean
+     *    instance can use for transaction demarcation.
+     *
+     * @exception IllegalStateException The Container throws the exception
+     *    if the instance is not allowed to use the <code>UserTransaction</code> interface
+     *    (i.e. the instance is of a bean with container-managed transactions).
+     */
+    UserTransaction getUserTransaction() throws IllegalStateException;
+
+    /**
+     * Mark the current transaction for rollback. The transaction will become
+     * permanently marked for rollback. A transaction marked for rollback
+     * can never commit.
+     *
+     * Only enterprise beans with container-managed transactions are allowed
+     * to use this method.
+     *
+     * @exception IllegalStateException The Container throws the exception
+     *    if the instance is not allowed to use this method (i.e. the
+     *    instance is of a bean with bean-managed transactions).
+     */
+    void setRollbackOnly() throws IllegalStateException;
+
+    /**
+     * Test if the transaction has been marked for rollback only. An enterprise
+     * bean instance can use this operation, for example, to test after an
+     * exception has been caught, whether it is fruitless to continue
+     * computation on behalf of the current transaction.
+     *
+     * Only enterprise beans with container-managed transactions are allowed
+     * to use this method.
+     *
+     * @return True if the current transaction is marked for rollback, false
+     *   otherwise.
+     *
+     * @exception IllegalStateException The Container throws the exception
+     *    if the instance is not allowed to use this method (i.e. the
+     *    instance is of a bean with bean-managed transactions).
+     */
+    boolean getRollbackOnly() throws IllegalStateException;
+
+    /**
+     * Get access to the EJB Timer Service.
+     *
+     * @exception IllegalStateException The Container throws the exception
+     *    if the instance is not allowed to use this method (e.g. if the bean
+     *    is a stateful session bean)
+     *
+     * @since EJB 2.1
+     */
+    //TimerService getTimerService() throws IllegalStateException;
+
+    /**
+     * Lookup a resource within the <code>java:</code> namespace.  Names referring to
+     * entries within the private component namespace can be passed as
+     * unqualified strings.  In that case the lookup will be relative to
+     * <code>"java:comp/env/"</code>.
+     *
+     * For example, assuming an enterprise bean defines an <code>ejb-local-ref</code>
+     * with <code>ejb-ref-name</code> <code>"ejb/BarRef"</code> the following two 
+     * calls to <code> EJBContext.lookup</code> are equivalent :
+     *
+     *  <code>ejbContext.lookup("ejb/BarRef")</code>;
+     *  <code>ejbContext.lookup("java:comp/env/ejb/BarRef")</code>;
+     *
+     * @param name Name of the entry 
+     *
+     * @exception IllegalArgumentException The Container throws the exception
+     *    if the given name does not match an entry within the component's
+     *    environment.
+     *
+     * @since EJB 3.0
+     */
+    Object lookup(String name) throws IllegalArgumentException;
+
+    /**
+     * The <code>getContextData</code> method enables a business method, lifecycle 
+     * callback method, or timeout method to retrieve any interceptor/webservices context 
+     * associated with its invocation.
+     * 
+     * @return the context data that interceptor context associated with this invocation. 
+     * If there is no context data, an empty <code>Map&#060;String,Object&#062;</code> 
+     * object will be returned.
+     *
+     * @since EJB 3.1
+     */
+    Map<String, Object> getContextData();
+
+}

java/ql/test/stubs/ejb-3.2/javax/ejb/EJBException.java

@@ -0,0 +1,94 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+/**
+ * The EJBException is thrown to report that the invoked
+ * business method or callback method could not be completed because
+ * of an unexpected error (e.g. the instance failed to open a database
+ * connection).
+ *
+ * @since EJB 1.1
+ */
+public class EJBException extends java.lang.RuntimeException {
+    
+    private static final long serialVersionUID = 796770993296843510L;
+
+    /**
+     * Constructs an EJBException with no detail message.
+     */  
+    public EJBException() {
+    }
+
+    /**
+     * Constructs an EJBException with the specified
+     * detailed message.
+     */  
+    public EJBException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructs an EJBException that embeds the originally thrown exception.
+     */  
+    public EJBException(Exception  ex) {
+        super(ex);
+    }
+
+    /**
+     * Constructs an EJBException that embeds the originally thrown exception
+     * with the specified detail message. 
+     */  
+    public EJBException(String message, Exception  ex) {
+        super(message, ex);
+    }
+
+
+    /**
+     * Obtain the exception that caused the EJBException to be thrown.
+     * It is recommended that the inherited Throwable.getCause() method
+     * be used to retrieve the cause instead of this method. 
+     */
+    public Exception getCausedByException() {
+	    return (Exception) getCause();
+    }
+
+}

java/ql/test/stubs/ejb-3.2/javax/ejb/EJBHome.java

@@ -0,0 +1,120 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+import java.rmi.RemoteException;
+
+/**
+ * The EJBHome interface must be extended by all enterprise beans'
+ * remote home interfaces. An enterprise bean's remote home interface
+ * defines the methods that allow a remote client to create, find, and
+ * remove EJB objects.
+ *
+ * <p> The remote home interface is defined by the enterprise bean provider and 
+ * implemented by the enterprise bean container.
+ * <p>
+ * Enterprise beans written to the EJB 3.0 and later APIs do not require
+ * a home interface.
+ *
+ * @since EJB 1.0
+ */
+public interface EJBHome extends java.rmi.Remote {
+
+    /**
+     * Remove an EJB object identified by its handle.
+     *
+     * @param handle the handle of the EJB object to be removed
+     *
+     * @exception RemoveException Thrown if the enterprise bean or
+     *    the container does not allow the client to remove the object.
+     *
+     * @exception RemoteException Thrown when the method failed due to a
+     *    system-level failure.
+     */
+    void remove(Handle handle) throws RemoteException, RemoveException;
+
+    /**
+     * Remove an EJB object identified by its primary key.
+     *
+     * <p>This method can be used only for an entity bean. An attempt
+     * to call this method on a session bean will result in a RemoveException.
+     *
+     * <p><b>Note:</b> Support for entity beans is optional as of EJB 3.2.
+     *
+     * @param primaryKey the primary key of the EJB object to be removed
+     *
+     * @exception RemoveException Thrown if the enterprise bean or
+     *    the container does not allow the client to remove the object.
+     *
+     * @exception RemoteException Thrown when the method failed due to a
+     *    system-level failure.
+     */
+    void remove(Object primaryKey) throws RemoteException, RemoveException;
+
+    /**
+     * Obtain the EJBMetaData interface for the enterprise bean. The
+     * EJBMetaData interface allows the client to obtain information about
+     * the enterprise bean.
+     *
+     * <p> The information obtainable via the EJBMetaData interface is
+     * intended to be used by tools.
+     *
+     * @return The enterprise Bean's EJBMetaData interface.
+     *
+     * @exception RemoteException Thrown when the method failed due to a
+     *    system-level failure.
+     */
+    EJBMetaData getEJBMetaData() throws RemoteException;
+
+    /**
+     * Obtain a handle for the remote home object. The handle can be used at 
+     * later time to re-obtain a reference to the remote home object, possibly 
+     * in a different Java Virtual Machine.
+     *
+     * @return A handle for the remote home object.
+     *
+     * @exception RemoteException Thrown when the method failed due to a
+     *    system-level failure. 
+     *
+     * @since EJB 1.1    
+     */
+    HomeHandle getHomeHandle() throws RemoteException;
+}

java/ql/test/stubs/ejb-3.2/javax/ejb/EJBLocalHome.java

@@ -0,0 +1,80 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+/**
+ * The EJBLocalHome interface must be extended by all enterprise
+ * beans' local home interfaces. An enterprise bean's local home
+ * interface defines the methods that allow local clients to create, 
+ * find, and remove EJB objects.
+ *
+ * <p> The local home interface is defined by the enterprise bean provider
+ * and implemented by the enterprise bean container.
+ * <p>
+ * Enterprise beans written to the EJB 3.0 and later APIs do not require
+ * a local home interface.
+ *
+ * @since EJB 2.0
+ */
+public interface EJBLocalHome {
+
+    /**
+     * Remove an EJB object identified by its primary key.
+     *
+     * <p>This method can only be used by local clients of an entity
+     * bean.  An attempt to call this method on a session bean will
+     * result in a RemoveException.
+     *
+     * <p><b>Note:</b> Support for entity beans is optional as of EJB 3.2.
+     *
+     * @param primaryKey the primary key of the EJB object to be removed
+     *
+     * @exception RemoveException Thrown if the enterprise bean or
+     *    the container does not allow the client to remove the object.
+     *
+     * @exception EJBException Thrown when the method failed due to a
+     *    system-level failure.
+     *
+     */
+    void remove(Object primaryKey) throws RemoveException, EJBException;
+
+}
+

java/ql/test/stubs/ejb-3.2/javax/ejb/EJBLocalObject.java

@@ -0,0 +1,117 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+/**
+ * The EJBLocalObject interface must be extended by all enterprise beans' local
+ * interfaces. An enterprise bean's local interface provides the local client 
+ * view of an EJB object. An enterprise bean's local interface defines 
+ * the business methods callable by local clients.
+ *
+ * <p> The enterprise bean's local interface is defined by the enterprise
+ * bean provider and implemented by the enterprise bean container.
+ * 
+ * <p>
+ * Enterprise beans written to the EJB 3.0 and later APIs do not require
+ * a local interface that extends the EJBLocalObject interface.  A local
+ * business interface can be used instead.
+ *
+ * @since EJB 2.0
+ */
+public interface EJBLocalObject {
+    /**
+     * Obtain the enterprise bean's local home interface. The local home
+     * interface defines the enterprise bean's create, finder, remove,
+     * and home business methods that are available to local clients.
+     * 
+     * @return A reference to the enterprise bean's local home interface.
+     *
+     * @exception EJBException Thrown when the method failed due to a
+     *    system-level failure.
+     *
+     */
+    public EJBLocalHome getEJBLocalHome() throws EJBException; 
+
+    /**
+     * Obtain the primary key of the EJB local object. 
+     *
+     * <p> This method can be called on an entity bean. 
+     * An attempt to invoke this method on a session bean will result in
+     * an EJBException.
+     *
+     * <p><b>Note:</b> Support for entity beans is optional as of EJB 3.2.
+     *
+     * @return The EJB local object's primary key.
+     *
+     * @exception EJBException Thrown when the method failed due to a
+     *    system-level failure or when invoked on a session bean.
+     *
+     */
+    public Object getPrimaryKey() throws EJBException;
+
+    /**
+     * Remove the EJB local object.
+     *
+     * @exception RemoveException The enterprise bean or the container
+     *    does not allow destruction of the object.
+     *
+     * @exception EJBException Thrown when the method failed due to a
+     *    system-level failure.
+     *
+     */ 
+    public void remove() throws RemoveException, EJBException;
+
+    /**
+     * Test if a given EJB local object is identical to the invoked EJB 
+     * local object.
+     *
+     * @param obj An object to test for identity with the invoked object.
+     *
+     * @return True if the given EJB local object is identical to the 
+     * invoked object, false otherwise.
+     *
+     *
+     * @exception EJBException Thrown when the method failed due to a
+     *    system-level failure.
+     *
+     */
+    boolean isIdentical(EJBLocalObject obj) throws EJBException;
+} 

java/ql/test/stubs/ejb-3.2/javax/ejb/EJBMetaData.java

@@ -0,0 +1,101 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+/**
+ * The EJBMetaData interface allows a client to obtain the enterprise bean's
+ * meta-data information.
+ *
+ * <p> The meta-data is intended for development tools used for
+ * building applications that use deployed enterprise beans, and for clients
+ * using a scripting language to access the enterprise bean.
+ *
+ * <p> Note that the EJBMetaData is not a remote interface. The class that
+ * implements this interface (this class is typically generated by container
+ * tools) must be serializable, and must be a valid RMI/IDL value type.
+ *
+ * @since EJB 1.0
+ */
+public interface EJBMetaData {
+    /**
+     * Obtain the remote home interface of the enterprise bean.
+     *
+     * @return the remote home interface of the enterprise bean.
+     */
+    EJBHome getEJBHome();
+
+    /**
+     * Obtain the class object for the enterprise bean's remote home interface.
+     * @return the class object for the enterprise bean's remote home interface.
+     */
+    Class getHomeInterfaceClass();
+
+    /**
+     * Obtain the class object for the enterprise bean's remote interface.
+     *
+     * @return the class object for the enterprise bean's remote interface.
+     */
+    Class getRemoteInterfaceClass();
+
+    /**
+     * Obtain the class object for the enterprise bean's primary key class.
+     *
+     * @return the class object for the enterprise bean's primary key class.
+     */
+    Class getPrimaryKeyClass();
+
+    /**
+     * Test if the enterprise bean's type is "session".
+     *
+     * @return True if the type of the enterprise bean is session bean.
+     */
+    boolean isSession();
+
+    /**
+     * Test if the enterprise bean's type is "stateless session".
+     *
+     * @return True if the type of the enterprise Bean is stateless
+     *     session.
+     *
+     * @since EJB 1.1
+     */
+    boolean isStatelessSession();
+}

java/ql/test/stubs/ejb-3.2/javax/ejb/EJBObject.java

@@ -0,0 +1,128 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+import java.rmi.RemoteException;
+
+/**
+ * The EJBObject interface is extended by all enterprise beans' remote
+ * interfaces. An enterprise bean's remote interface provides the
+ * remote client view of an EJB object. An enterprise bean's remote
+ * interface defines the business methods callable by a remote client.
+ *
+ * <p> The remote interface must extend the javax.ejb.EJBObject
+ * interface, and define the enterprise bean specific business
+ * methods.
+ *
+ * <p> The enterprise bean's remote interface is defined by the enterprise
+ * bean provider and implemented by the enterprise bean container.
+ *
+ * <p>
+ * Enterprise beans written to the EJB 3.0 and later APIs do not require
+ * a remote interface that extends the EJBObject interface.  A remote
+ * business interface can be used instead.
+ *
+ * @since EJB 1.0
+ */
+public interface EJBObject extends java.rmi.Remote {
+    /**
+     * Obtain the enterprise bean's remote home interface. The remote home 
+     * interface defines the enterprise bean's create, finder, remove,
+     * and home business methods.
+     * 
+     * @return A reference to the enterprise bean's home interface.
+     *
+     * @exception RemoteException Thrown when the method failed due to a
+     *    system-level failure.
+     */
+    public EJBHome getEJBHome() throws RemoteException; 
+
+    /**
+     * Obtain the primary key of the EJB object. 
+     *
+     * <p> This method can be called on an entity bean. An attempt to invoke
+     * this method on a session bean will result in RemoteException.
+     *
+     * <p><b>Note:</b> Support for entity beans is optional as of EJB 3.2.
+     *
+     * @return The EJB object's primary key.
+     *
+     * @exception RemoteException Thrown when the method failed due to a
+     *    system-level failure or when invoked on a session bean.
+     */
+    public Object getPrimaryKey() throws RemoteException;
+
+    /**
+     * Remove the EJB object.
+     *
+     * @exception RemoteException Thrown when the method failed due to a
+     *    system-level failure.
+     *
+     * @exception RemoveException The enterprise bean or the container
+     *    does not allow destruction of the object.
+     */ 
+    public void remove() throws RemoteException, RemoveException;
+
+    /**
+     * Obtain a handle for the EJB object. The handle can be used at later
+     * time to re-obtain a reference to the EJB object, possibly in a
+     * different Java Virtual Machine.
+     *
+     * @return A handle for the EJB object.
+     *
+     * @exception RemoteException Thrown when the method failed due to a
+     *    system-level failure.
+     */
+    public Handle getHandle() throws RemoteException;
+
+    /**
+     * Test if a given EJB object is identical to the invoked EJB object.
+     *
+     * @param obj An object to test for identity with the invoked object.
+     *
+     * @return True if the given EJB object is identical to the invoked object,
+     *    false otherwise.
+     *
+     * @exception RemoteException Thrown when the method failed due to a
+     *    system-level failure.
+     */
+    boolean isIdentical(EJBObject obj) throws RemoteException;
+} 

java/ql/test/stubs/ejb-3.2/javax/ejb/EnterpriseBean.java

@@ -0,0 +1,54 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+/**
+ * The EnterpriseBean interface is a common superinterface for the
+ * SessionBean, EntityBean and MessageDrivenBean interfaces.
+ *
+ * @see SessionBean
+ * @see MessageDrivenBean
+ * @see EntityBean
+ *
+ * @since EJB 1.0
+ */
+public interface EnterpriseBean extends java.io.Serializable {
+}

java/ql/test/stubs/ejb-3.2/javax/ejb/EntityBean.java

@@ -0,0 +1,220 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+import java.rmi.RemoteException;
+
+
+/**
+ * The EntityBean interface is implemented by every entity bean 
+ * class. The container uses the EntityBean methods to notify the entity
+ * bean instances of the instance's life cycle events.
+ *
+ * <p>
+ * Applications written to the EJB 3.0 and later APIs should use the facilities
+ * of the Java Persistence API (<code>javax.persistence</code>) to model
+ * persistent entities.
+ *
+ * <p><b>Note:</b> Support for entity beans is optional as of EJB 3.2.
+ *
+ * @since EJB 1.0
+ */
+public interface EntityBean extends EnterpriseBean {
+    /**
+     * Set the associated entity context. The container invokes this method
+     * on an instance after the instance has been created.
+     *
+     * <p> This method is called in an unspecified transaction context.
+     *
+     * @param ctx An EntityContext interface for the instance. The instance
+     *    should store the reference to the context in an instance variable.
+     *
+     * @exception EJBException Thrown by the method to indicate a failure
+     *    caused by a system-level error. 
+     *
+     * @exception RemoteException This exception is defined in the method
+     *    signature to provide backward compatibility for enterprise beans 
+     *    written for the EJB 1.0 specification. Enterprise beans written 
+     *    for the EJB 1.1 specification should throw the
+     *    javax.ejb.EJBException instead of this exception.
+     *    Enterprise beans written for the EJB2.0 and higher specifications
+     *    must throw the javax.ejb.EJBException instead of this exception.
+     */
+    public void setEntityContext(EntityContext ctx) throws EJBException,
+            RemoteException;
+
+    /**
+     * Unset the associated entity context. The container calls this method
+     * before removing the instance.
+     *
+     * <p> This is the last method that the container invokes on the instance.
+     * The Java garbage collector will eventually invoke the finalize() method
+     * on the instance.
+     *
+     * <p> This method is called in an unspecified transaction context.
+     *
+     * @exception EJBException Thrown by the method to indicate a failure
+     *    caused by a system-level error. 
+     *
+     * @exception RemoteException This exception is defined in the method
+     *    signature to provide backward compatibility for enterprise beans 
+     *    written for the EJB 1.0 specification. Enterprise beans written 
+     *    for the EJB 1.1 specification should throw the
+     *    javax.ejb.EJBException instead of this exception.
+     *    Enterprise beans written for the EJB2.0 and higher specifications
+     *    must throw the javax.ejb.EJBException instead of this exception.
+     */
+    public void unsetEntityContext() throws EJBException, RemoteException;
+
+    /**
+     * A container invokes this method before it removes the EJB object
+     * that is currently associated with the instance. This method
+     * is invoked when a client invokes a remove operation on the
+     * entity bean's home interface or the EJB object's remote interface.
+     * This method transitions the instance from the ready state to the pool 
+     * of available instances.
+     * 
+     * <p> This method is called in the transaction context of the remove 
+     * operation.
+     *
+     * @exception RemoveException The enterprise Bean does not allow
+     *    destruction of the object.
+     *
+     * @exception EJBException Thrown by the method to indicate a failure
+     *    caused by a system-level error.
+     *
+     * @exception RemoteException This exception is defined in the method
+     *    signature to provide backward compatibility for enterprise beans 
+     *    written for the EJB 1.0 specification. Enterprise beans written 
+     *    for the EJB 1.1 specification should throw the
+     *    javax.ejb.EJBException instead of this exception.
+     *    Enterprise beans written for the EJB2.0 and higher specifications
+     *    must throw the javax.ejb.EJBException instead of this exception.
+     */
+    public void ejbRemove() throws RemoveException, EJBException, 
+	RemoteException;
+
+    /**
+     * A container invokes this method when the instance
+     * is taken out of the pool of available instances to become associated
+     * with a specific EJB object. This method transitions the instance to 
+     * the ready state.
+     *
+     * <p> This method executes in an unspecified transaction context.
+     *
+     * @exception EJBException Thrown by the method to indicate a failure
+     *    caused by a system-level error.
+     *
+     * @exception RemoteException This exception is defined in the method
+     *    signature to provide backward compatibility for enterprise beans 
+     *    written for the EJB 1.0 specification. Enterprise beans written 
+     *    for the EJB 1.1 specification should throw the
+     *    javax.ejb.EJBException instead of this exception.
+     *    Enterprise beans written for the EJB2.0 and higher specifications
+     *    must throw the javax.ejb.EJBException instead of this exception.
+     */
+    public void ejbActivate() throws EJBException, RemoteException;
+
+    /**
+     * A container invokes this method on an instance before the instance
+     * becomes disassociated with a specific EJB object. After this method
+     * completes, the container will place the instance into the pool of
+     * available instances.
+     *
+     * <p> This method executes in an unspecified transaction context.
+     *
+     * @exception EJBException Thrown by the method to indicate a failure
+     *    caused by a system-level error.
+     *
+     * @exception RemoteException This exception is defined in the method
+     *    signature to provide backward compatibility for enterprise beans 
+     *    written for the EJB 1.0 specification. Enterprise beans written 
+     *    for the EJB 1.1 specification should throw the
+     *    javax.ejb.EJBException instead of this exception.
+     *    Enterprise beans written for the EJB2.0 and higher specifications
+     *    must throw the javax.ejb.EJBException instead of this exception.
+     */
+    public void ejbPassivate() throws EJBException, RemoteException;
+
+    /**
+     * A container invokes this method to instruct the
+     * instance to synchronize its state by loading it state from the
+     * underlying database.
+     * 
+     * <p> This method always executes in the transaction context determined
+     * by the value of the transaction attribute in the deployment descriptor.
+     *
+     * @exception EJBException Thrown by the method to indicate a failure
+     *    caused by a system-level error.
+     *
+     * @exception RemoteException This exception is defined in the method
+     *    signature to provide backward compatibility for enterprise beans 
+     *    written for the EJB 1.0 specification. Enterprise beans written 
+     *    for the EJB 1.1 specification should throw the
+     *    javax.ejb.EJBException instead of this exception.
+     *    Enterprise beans written for the EJB2.0 and higher specifications
+     *    must throw the javax.ejb.EJBException instead of this exception.
+     */
+    public void ejbLoad() throws EJBException, RemoteException;
+
+    /**
+     * A container invokes this method to instruct the
+     * instance to synchronize its state by storing it to the underlying 
+     * database.
+     *
+     * <p> This method always executes in the transaction context determined
+     * by the value of the transaction attribute in the deployment descriptor.
+     *
+     * @exception EJBException Thrown by the method to indicate a failure
+     *    caused by a system-level error.
+     *
+     * @exception RemoteException This exception is defined in the method
+     *    signature to provide backward compatibility for enterprise beans 
+     *    written for the EJB 1.0 specification. Enterprise beans written 
+     *    for the EJB 1.1 specification should throw the
+     *    javax.ejb.EJBException instead of this exception.
+     *    Enterprise beans written for the EJB2.0 and higher specifications
+     *    must throw the javax.ejb.EJBException instead of this exception.
+     */
+    public void ejbStore() throws EJBException, RemoteException;
+}
+
+

java/ql/test/stubs/ejb-3.2/javax/ejb/Handle.java

@@ -0,0 +1,62 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+import java.rmi.RemoteException;
+
+/**
+ * The Handle interface is implemented by all EJB object handles. A handle
+ * is an abstraction of a network reference to an EJB object. A handle is
+ * intended to be used as a "robust" persistent reference to an EJB object.
+ *
+ * @since EJB 1.0
+ */
+public interface Handle extends java.io.Serializable {
+    /**
+     * Obtain the EJB object reference represented by this handle.
+     *
+     * @return the EJB object reference represented by this handle.
+     *
+     * @exception RemoteException The EJB object could not be obtained
+     *    because of a system-level failure.
+     */
+    public EJBObject getEJBObject() throws RemoteException;
+}

java/ql/test/stubs/ejb-3.2/javax/ejb/Handler.java

@@ -0,0 +1,62 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+import java.rmi.RemoteException;
+
+/**
+ * The Handle interface is implemented by all EJB object handles. A handle
+ * is an abstraction of a network reference to an EJB object. A handle is
+ * intended to be used as a "robust" persistent reference to an EJB object.
+ *
+ * @since EJB 1.0
+ */
+public interface Handle extends java.io.Serializable {
+    /**
+     * Obtain the EJB object reference represented by this handle.
+     *
+     * @return the EJB object reference represented by this handle.
+     *
+     * @exception RemoteException The EJB object could not be obtained
+     *    because of a system-level failure.
+     */
+    public EJBObject getEJBObject() throws RemoteException;
+}

java/ql/test/stubs/ejb-3.2/javax/ejb/HomeHandle.java

@@ -0,0 +1,62 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+import java.rmi.RemoteException;
+
+/**
+ * The HomeHandle interface is implemented by all home object handles. A handle
+ * is an abstraction of a network reference to a home object. A handle is
+ * intended to be used as a "robust" persistent reference to a home object.
+ *
+ * @since EJB 1.1
+ */
+public interface HomeHandle extends java.io.Serializable {
+    /**
+     * Obtain the home object represented by this handle.
+     *
+     * @return the home object represented by this handle.
+     *
+     * @exception RemoteException The home object could not be obtained
+     *    because of a system-level failure.
+     */
+    public EJBHome getEJBHome() throws RemoteException;
+}

java/ql/test/stubs/ejb-3.2/javax/ejb/Remote.java

@@ -0,0 +1,85 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.ElementType;
+
+import java.lang.annotation.Target;
+import java.lang.annotation.Retention;
+
+/**
+ * Declares the remote business interface(s) for a session bean.
+ * <p>
+ * The <code>Remote</code> annotation is applied to the session bean class or remote 
+ * business interface to designate a remote business interface of the bean.
+ * <p>
+ * When used on an interface, designates that interface as a remote
+ * business interface.  In this case, no <code>value</code> element should
+ * be provided.
+ * <p>
+ * The <code>Remote</code> annotation applies only to session beans and 
+ * their interfaces.
+ *
+ * @since EJB 3.0
+ */
+
+@Target({ElementType.TYPE})
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Remote {
+
+    /**
+     * Specifies the remote business interface(s) of the bean.  The <code>value</code>
+     * element is specified only when the annotation is applied to the bean class. 
+     * It is only required to be specified if any of the following is true:
+     * <ul>
+     * <li>the bean class does not implement its remote business interface
+     * <li>at least one of the implemented interfaces is designated as a local interface
+     * <li>the bean class implements two or more interfaces and at
+     * least one of the implemented interfaces is designated
+     * as a remote business interface using <code>Remote</code> annotation on the interface,
+     * and at least one other interface (excluding <code>java.io.Serializable</code>,
+     * <code>java.io.Externalizable</code>, and any of the interfaces
+     * defined by the <code>javax.ejb</code> package) has no designation.
+     * </ul>
+     */
+    Class[] value() default {};
+} 

java/ql/test/stubs/ejb-3.2/javax/ejb/RemoveException.java

@@ -0,0 +1,68 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+/**
+ * The RemoveException is thrown at an attempt to remove an
+ * EJB object or local EJB object when the enterprise bean or the
+ * container does not allow the EJB object to be removed.
+ *
+ * @since EJB 1.0
+ */
+public class RemoveException extends java.lang.Exception {
+
+    private static final long serialVersionUID = -4581849053220157910L;
+
+    /**
+     * Constructs an RemoveException with no detail message.
+     */  
+    public RemoveException() {
+    }
+
+    /**
+     * Constructs an RemoveException with the specified
+     * detail message.
+     */  
+    public RemoveException(String message) {
+        super(message);
+    }
+}
+

java/ql/test/stubs/ejb-3.2/javax/ejb/SessionBean.java

@@ -0,0 +1,144 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright (c) 1997-2018 Oracle and/or its affiliates. All rights reserved.
+ *
+ * The contents of this file are subject to the terms of either the GNU
+ * General Public License Version 2 only ("GPL") or the Common Development
+ * and Distribution License("CDDL") (collectively, the "License").  You
+ * may not use this file except in compliance with the License.  You can
+ * obtain a copy of the License at
+ * https://oss.oracle.com/licenses/CDDL+GPL-1.1
+ * or LICENSE.txt.  See the License for the specific
+ * language governing permissions and limitations under the License.
+ *
+ * When distributing the software, include this License Header Notice in each
+ * file and include the License file at LICENSE.txt.
+ *
+ * GPL Classpath Exception:
+ * Oracle designates this particular file as subject to the "Classpath"
+ * exception as provided by Oracle in the GPL Version 2 section of the License
+ * file that accompanied this code.
+ *
+ * Modifications:
+ * If applicable, add the following below the License Header, with the fields
+ * enclosed by brackets [] replaced by your own identifying information:
+ * "Portions Copyright [year] [name of copyright owner]"
+ *
+ * Contributor(s):
+ * If you wish your version of this file to be governed by only the CDDL or
+ * only the GPL Version 2, indicate your decision by adding "[Contributor]
+ * elects to include this software in this distribution under the [CDDL or GPL
+ * Version 2] license."  If you don't indicate a single choice of license, a
+ * recipient has the option to distribute your version of this file under
+ * either the CDDL, the GPL Version 2 or to extend the choice of license to
+ * its licensees as provided above.  However, if you add GPL Version 2 code
+ * and therefore, elected the GPL Version 2 license, then the option applies
+ * only if the new code is made subject to such option by the copyright
+ * holder.
+ */
+
+package javax.ejb;
+
+import java.rmi.RemoteException;
+
+/**
+ * The SessionBean interface defines methods that the EJB container uses
+ * to notify a session bean instance of the instance's life cycle events.
+ * <p>
+ * As of EJB 3.0 it is no longer required that a session bean class
+ * implement this interface.
+ *
+ * @since EJB 1.0
+ */
+public interface SessionBean extends EnterpriseBean {
+    /**
+     * Set the associated session context. The container calls this method
+     * after the instance creation.
+     *
+     * <p> The session bean instance should store the reference to the
+     * context object in an instance variable.
+     *
+     * <p> This method is called with no transaction context.
+     *
+     * @param ctx A SessionContext interface for the instance.
+     *
+     * @exception EJBException Thrown by the method to indicate a failure
+     *    caused by a system-level error.
+     *
+     * @exception RemoteException This exception is defined in the method
+     *    signature to provide backward compatibility for applications written
+     *    for the EJB 1.0 specification. Enterprise beans written for the 
+     *    EJB 1.1 specification should throw the
+     *    javax.ejb.EJBException instead of this exception.
+     *    Enterprise beans written for the EJB2.0 and higher specifications
+     *    must throw the javax.ejb.EJBException instead of this exception.
+     */
+    void setSessionContext(SessionContext ctx) throws EJBException,
+	    RemoteException;
+
+    /**
+     * A container invokes this method before it ends the life of the session
+     * object. This happens as a result of a client's invoking a remove
+     * operation, or when a container decides to terminate the session object
+     * after a timeout.
+     * 
+     * <p> This method is called with no transaction context.
+     *
+     * @exception EJBException Thrown by the method to indicate a failure
+     *    caused by a system-level error.
+     *
+     * @exception RemoteException This exception is defined in the method
+     *    signature to provide backward compatibility for enterprise beans 
+     *    written for the EJB 1.0 specification. Enterprise beans written 
+     *    for the EJB 1.1 specification should throw the
+     *    javax.ejb.EJBException instead of this exception.
+     *    Enterprise beans written for the EJB2.0 and higher specifications
+     *    must throw the javax.ejb.EJBException instead of this exception.
+     */
+     void ejbRemove() throws EJBException, RemoteException;    
+
+    /**
+     * The activate method is called when a stateful session bean instance is activated
+     * from its "passive" state. The instance should acquire any resource
+     * that it has released earlier in the <code>ejbPassivate</code> method.
+     *
+     * <p> This method is called with no transaction context.
+     *
+     * @exception EJBException Thrown by the method to indicate a failure
+     *    caused by a system-level error.
+     *
+     * @exception RemoteException This exception is defined in the method
+     *    signature to provide backward compatibility for enterprise beans 
+     *    written for the EJB 1.0 specification. Enterprise beans written 
+     *    for the EJB 1.1 specification should throw the
+     *    javax.ejb.EJBException instead of this exception.
+     *    Enterprise beans written for the EJB2.0 and higher specifications
+     *    must throw the javax.ejb.EJBException instead of this exception.
+     */
+    void ejbActivate() throws EJBException, RemoteException;
+
+    /**
+     * The passivate method is called before a stateful session bean instance enters
+     * the "passive" state. The instance should release any resources that
+     * it can re-acquire later in the <code>ejbActivate</code> method.
+     *
+     * <p> After the passivate method completes, the instance must be
+     * in a state that allows the container to use the Java Serialization
+     * protocol to externalize and store away the instance's state.
+     *
+     * <p> This method is called with no transaction context.
+     *
+     * @exception EJBException Thrown by the method to indicate a failure
+     *    caused by a system-level error.
+     *
+     * @exception RemoteException This exception is defined in the method
+     *    signature to provide backward compatibility for enterprise beans 
+     *    written for the EJB 1.0 specification. Enterprise beans written 
+     *    for the EJB 1.1 specification should throw the
+     *    javax.ejb.EJBException instead of this exception.
+     *    Enterprise beans written for the EJB2.0 and higher specifications
+     *    must throw the javax.ejb.EJBException instead of this exception.
+     */
+    void ejbPassivate() throws EJBException, RemoteException;
+}