code: private static Map<String, Method> gatherAllDeclaredMethods(Class clazz) {
          Map<String, Method> methods = new HashMap<String, Method>();
          gatherAllDeclaredMethods(methods, clazz);
          return methods;
      }
docs: Returns a new modifiable mapping of method signatures to methods.
  
  @return map of {@link #createSig signatures} to methods