def get_index_api_conf(service, docido_user_id, account_login, config):
pass<EOL>
Provides a configuration object given to every index processors

        :param: basestring: service:
          account service name (gmail, trello, ...)

        :param: basestring: docido_user_id:
          the Docido user identifier for which the IndexAPI is meant form

        :param: basestring: account_login
          the user account login for which the IndexAPI is meant for

        :param nameddict: config
          optional crawl configuration

        :return: IndexAPI Configuration
        :rtype: dict