code: def register(self, *signature):
      def _(func):
          self.add(signature, func)
          return self
  
      return _
  
file_path: pytorch/torch/fx/experimental/unification/match.py
imports: from .core import unify, reify
  from .variable import isvar
  from .utils import _toposort, freeze
  from .unification_tools import groupby, first
label_desc: Use image node_id 5 for calling the Dispatcher obj's underlying member method code with example usage: obj.register() and returns: _, self