*/
private String getClassSignature(TypeToken<?> delegateType) {
SignatureWriter writer = new SignatureWriter();
// Construct the superclass signature as "AbstractHttpHandlerDelegator<UserHandlerClass>"
SignatureVisitor sv = writer.visitSuperclass();
sv.visitClassType(Type.getInternalName(AbstractHttpHandlerDelegator.class));
SignatureVisitor tv = sv.visitTypeArgument('=');
tv.visitClassType(Type.getInternalName(delegateType.getRawType()));
tv.visitEnd();
sv.visitEnd();