remove redundant inline casts

java/ql/lib/semmle/code/java/Reflection.qll

@@ -150,7 +150,7 @@ private Type parameterForSubTypes(ParameterizedType type) {
       lowerBound = arg.(Wildcard).getLowerBoundType()
     |
       // `T super Foo` implies that `Foo`, or any super-type of `Foo`, may be represented.
-      lowerBound.(RefType).getAnAncestor() = result
+      lowerBound.getAnAncestor() = result
     )
   )
 }

java/ql/lib/semmle/code/java/deadcode/DeadCode.qll

@@ -93,8 +93,8 @@ class SuppressedConstructor extends Constructor {
     not this.isDefaultConstructor() and
     // Verify that there is only one statement, which is the `super()` call. This exists
     // even for empty constructors.
-    this.getBody().(BlockStmt).getNumStmt() = 1 and
-    this.getBody().(BlockStmt).getAStmt().(SuperConstructorInvocationStmt).getNumArgument() = 0 and
+    this.getBody().getNumStmt() = 1 and
+    this.getBody().getAStmt().(SuperConstructorInvocationStmt).getNumArgument() = 0 and
     // A constructor that is called is not acting to suppress the default constructor. We permit
     // calls from suppressed and default constructors - in both cases, they can only come from
     // sub-class constructors.

java/ql/lib/semmle/code/java/deadcode/EntryPoints.qll

@@ -262,7 +262,7 @@ class ManagedBeanImplEntryPoint extends EntryPoint, RegisteredManagedBeanImpl {
     // Find the method that will be called for each method on each managed bean that this class
     // implements.
     this.inherits(result) and
-    result.(Method).overrides(this.getAnImplementedManagedBean().getAMethod())
+    result.overrides(this.getAnImplementedManagedBean().getAMethod())
   }
 }
 

java/ql/lib/semmle/code/java/frameworks/javaee/ejb/EJB.qll

@@ -668,7 +668,7 @@ Type inheritsMatchingMethodExceptThrows(SessionEJB ejb, Method m) {
     sig = n.getSignature() and
     sig = m.getSignature() and
     exists(Exception ex | ex = n.getAnException() and not throwsExplicitUncheckedException(n, ex) |
-      not ex.getType().(RefType).hasSupertype*(m.getAnException().getType()) and
+      not ex.getType().hasSupertype*(m.getAnException().getType()) and
       result = ex.getType()
     )
   )
@@ -717,7 +717,7 @@ Type inheritsMatchingCreateMethodExceptThrows(StatefulSessionEJB ejb, EjbInterfa
     exists(Exception ex |
       ex = cm.getAnException() and not throwsExplicitUncheckedException(cm, ex)
     |
-      not ex.getType().(RefType).hasSupertype*(icm.getAnException().getType()) and
+      not ex.getType().hasSupertype*(icm.getAnException().getType()) and
       result = ex.getType()
     )
   )
@@ -732,7 +732,7 @@ Type inheritsMatchingCreateMethodExceptThrows(StatefulSessionEJB ejb, EjbInterfa
     exists(Exception ex |
       ex = im.getAnException() and not throwsExplicitUncheckedException(im, ex)
     |
-      not ex.getType().(RefType).hasSupertype*(icm.getAnException().getType()) and
+      not ex.getType().hasSupertype*(icm.getAnException().getType()) and
       result = ex.getType()
     )
   )

java/ql/lib/semmle/code/java/security/ExternalAPIs.qll

@@ -141,8 +141,7 @@ class ExternalAPIUsedWithUntrustedData extends TExternalAPI {
     |
       this = TExternalAPIParameter(m, index) and
       result =
-        m.getDeclaringType().(RefType).getQualifiedName() + "." + m.getSignature() + " [" +
-          indexString + "]"
+        m.getDeclaringType().getQualifiedName() + "." + m.getSignature() + " [" + indexString + "]"
     )
   }
 }