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: impl.rb
    path of file: ./repos/truffleruby/lib/mri/forwardable
    
    the code of the file until where you have to start completion: module Forwardable
  # :stopdoc:


    
  def self._valid_method?(method)
    catch {|tag|
      eval("BEGIN{throw tag}; ().#{method}", binding, __FILE__, __LINE__)
    }
  rescue SyntaxError
    false
  else
    true
  end