private static final String GET = "get";
    private static final ClassNode POTENTIAL_INPUTS = new ClassNode(PotentialInputs.class);
    private static final ClassNode TRANSFORMED_CLOSURE = new ClassNode(TransformedClosure.class);
    private static final ClassNode INPUT_REFERENCES = new ClassNode(InputReferences.class);
    private static final ClassNode SOURCE_LOCATION = new ClassNode(SourceLocation.class);