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: json_format_actions_support.rb
    path of file: ./repos/gitlabhq/app/controllers/concerns/spammable_actions/captcha_check
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

# This module should be included to support forms submits with a 'js' or 'json' type of MIME type.
# In other words, forms handled by actions which use a `respond_to` of `format.js` or `format.json`.
#
# For 
    
  def with_captcha_check_json_format(spammable:, &block)
    # NOTE: "409 - Conflict" seems to be the most appropriate HTTP status code for a response
    # which requires a CAPTCHA to be solved in order for the request to be resubmitted.
    # https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.4.10
    captcha_render_lambda = -> { render json: spam_action_response_fields(spammable), status: :conflict }
    with_captcha_check_common(spammable: spammable, captcha_render_lambda: captcha_render_lambda, &block)
  end