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: get_auto_follow_pattern.rb
    path of file: ./repos/elasticsearch-ruby/elasticsearch-api/lib/elasticsearch/api/actions/cross_cluster_replication
    
    the code of the file until where you have to start completion: # Licensed to Elasticsearch B.V. under one or more contributor
# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch B.V. licenses this file to you under
# the Apache License, Version 2.0 (the "License"); you may
# not use thi
    
        def get_auto_follow_pattern(arguments = {})
          request_opts = { endpoint: arguments[:endpoint] || 'ccr.get_auto_follow_pattern' }

          defined_params = [:name].each_with_object({}) do |variable, set_variables|
            set_variables[variable] = arguments[variable] if arguments.key?(variable)
          end
          request_opts[:defined_params] = defined_params unless defined_params.empty?

          arguments = arguments.clone
          headers = arguments.delete(:headers) || {}

          body = nil

          _name = arguments.delete(:name)

          method = Elasticsearch::API::HTTP_GET
          path   = if _name
                     "_ccr/auto_follow/#{Utils.__listify(_name)}"
                   else
                     '_ccr/auto_follow'
                   end