You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: state_tracking.rb
    path of file: ./repos/chef/lib/chef/node/mixin
    
    the code of the file until where you have to start completion: #--
# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License
    
        def initialize(data = nil, root = self, node = nil, precedence = nil)
          # __path__ and __root__ must be nil when we call super so it knows
          # to avoid resetting the cache on construction
          data.nil? ? super() : super(data)
          @__path__ = []
          @__root__ = root
          @__node__ = node
          @__precedence__ = precedence
        end