question: private void validateReturnType ( MethodDeclaration methodDecl ) { ITypeBinding returnTypeBinding = getReturnTypeBinding ( methodDecl ) ; if ( returnTypeBinding == null ) { return ; } if ( ClientBundleUtilities . isResourceType ( returnTypeBinding ) || ClientBundleUtilities . isClientBundle ( returnTypeBinding ) ) { return ; } result . addProblem ( ClientBundleProblem . createInvalidReturnType ( methodDecl . getReturnType2 ( ) ) ) ; }
target:  Validates that a ClientBundle method returns either a resource type or another ClientBundle.