def post_json(path, object_to_post, response_type = nil)
      response_type = SimpleSolrClient::Response::GenericResponse if response_type.nil?
      response_type.new(_post_json(path, object_to_post))
    end
def post_json(path, object_to_post, response_type = nil)
      response_type = SimpleSolrClient::Response::GenericResponse if response_type.nil?
      response_type.new(_post_json(path, object_to_post))
    end
Post an object as JSON and return a Response object
 @return [SimpleSolrClient::Response, response_type]