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: request_wrapper.rb
    path of file: ./repos/rails-mini-profiler/lib/rails_mini_profiler
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

module Rails
    
    def body
      return '' unless super

      body = super.read
      super.rewind
      body
    end