renamed "isAsync" to "is_async"

javascript/ql/src/semmle/javascript/Aliases.qll

@@ -290,3 +290,8 @@ deprecated predicate isGenerator(Function fun) { is_generator(fun) }
  * Use `Function#hasRestParameter()` instead.
  */ 
 deprecated predicate hasRestParameter(Function fun) { has_rest_parameter(fun) }
+/**
+ * Alias for the predicate `is_async` defined in the .dbscheme.
+ * Use `Function#isAsync()` instead.
+ */ 
+deprecated predicate isAsync(Function fun) { is_async(fun) }

javascript/ql/src/semmle/javascript/Functions.qll

@@ -202,7 +202,7 @@ class Function extends @function, Parameterized, TypeParameterized, StmtContaine
   predicate hasTrailingComma() { lastTokenOfParameterList().getNextToken().getValue() = "," }
 
   /** Holds if this function is an asynchronous function. */
-  predicate isAsync() { isAsync(this) }
+  predicate isAsync() { is_async(this) }
 
   /** Holds if this function is asynchronous or a generator. */
   predicate isAsyncOrGenerator() { isAsync() or isGenerator() }

javascript/ql/src/semmlecode.javascript.dbscheme

@@ -441,7 +441,7 @@ scopenesting (unique int inner: @scope ref,
 
 is_generator (int fun: @function ref);
 has_rest_parameter (int fun: @function ref);
-isAsync (int fun: @function ref);
+is_async (int fun: @function ref);
 
 // variables and lexically scoped type names
 #keyset[scope, name]

javascript/ql/src/semmlecode.javascript.dbscheme.stats

@@ -11709,7 +11709,7 @@
 <dependencies/>
 </relation>
 <relation>
-<name>isAsync</name>
+<name>is_async</name>
 <cardinality>50</cardinality>
 <columnsizes>
 <e>