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: flate.rb
    path of file: ./repos/origami/lib/origami/filters
    
    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	
    
            def decode(stream)
                zlib_stream = Zlib::Inflate.new
                begin
                    uncompressed = zlib_stream.inflate(stream)
                rescue Zlib::DataError => zlib_except
                    uncompressed = zlib_stream.flush_next_out

                    unless Origami::OPTIONS[:ignore_zlib_errors]
                        raise InvalidFlateDataError.new(zlib_except.message, input_data: stream, decoded_data: uncompressed)
                    end