def create_authorization
      @authorization = AwsRequestAuthorization.new.tap do |authorization|
        authorization.url = url
        authorization.method = method
        authorization.query = query
        authorization.body = form_body
        authorization.region = region
        authorization.service = service
        authorization.credentials = credentials
        authorization.headers = headers
      end
    end
def create_authorization
      @authorization = AwsRequestAuthorization.new.tap do |authorization|
        authorization.url = url
        authorization.method = method
        authorization.query = query
        authorization.body = form_body
        authorization.region = region
        authorization.service = service
        authorization.credentials = credentials
        authorization.headers = headers
      end
    end
Create the AwsRequestAuthorization object for the request.