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: line.rb
    path of file: ./repos/open-build-service/src/api/app/services/diff_parser
    
    the code of the file until where you have to start completion: class DiffParser
  class Line
    attr_reader :content, :state, :index, :original_index, :changed_index

    def initialize(
    
    def initialize(content:, state:, index:, original_index:, changed_index:)
      @content = content
      @state = state
      @index = index
      @original_index = original_index
      @changed_index = changed_index
    end