code: def register_method(cls, func: "Callable", names: "List[str]"):
      """Injects methods into a specific stream instance.
  
      Parameters
      ----------
      func : `Callable`
          The function to be injected as a method.
      names : `List[str]`
          The names to be given to the function.
      """
  
      def method(self, *args, **kwargs):
          args = (self,) + args
          return func(*args, **kwargs)
  
      for name in names:
          setattr(cls, name, method)
  
label_desc: Use image node_id 1 for calling the DataTypeMixin obj's underlying member method code with example usage: obj.register_method(cls, func, names) and returns: func