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: builder.rb
    path of file: ./repos/jets/lib/jets/cfn
    
    the code of the file until where you have to start completion: module Jets::Cfn
  class Builder
    extend Memoist
    include Jets::AwsServices

    def initialize(options)
      @
    
    def build_api_gateway_templates
      Api::Gateway.new(@options).build
      Api::Resources.build_pages(@options)
      Api::Methods.build_pages(@options)
      Api::Deployment.new(@options).build
      Api::Mapping.new(@options).build
    end