code: public static boolean isMethodCall(Expression expression, String methodObjectPattern, String methodNamePattern) {
          return isMethodCallOnObject(expression, methodObjectPattern) && isMethodNamed((MethodCallExpression) expression, methodNamePattern);
      }
docs: Return true only if the expression represents a method call (MethodCallExpression) for the specified
  method object (receiver) and method name.
  
  @param expression - the AST expression to be checked
  @param methodObjectPattern - the name of the method object (receiver)
  @param methodNamePattern - the name of the method being called
  @return true only if the expression is a method call that matches the specified criteria