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: obfuscation.rb
    path of file: ./repos/origami/lib/origami
    
    the code of the file until where you have to start completion: =begin

    This file is part of Origami, PDF manipulation framework for Ruby
    Copyright (C) 2016	Guillaum
    
        def to_obfuscated_str
            content = ""

            content << @dictionary.to_obfuscated_str
            content << "stream" + $/
            content << self.encoded_data
            content << $/ << TOKENS.last

            super(content)
        end