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: wiki_page.rb
    path of file: ./repos/gitlabhq/lib/gitlab/gitaly_client
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

module Gitlab
    
      def initialize(params)
        super

        # All gRPC strings in a response are frozen, so we get an unfrozen
        # version here so appending to `raw_data` doesn't blow up.
        @raw_data = @raw_data.dup

        @title = encode_utf8(@title)
        @path = encode_utf8(@path)
        @name = encode_utf8(@name)
      end

      def historical?
        @historical
      end

      def format
        @format.to_sym
      end
    end