/**
* @global
* @typedef {function(Error?, any=):void} cbType
*
*/
/**
* @global
* @typedef {Object} redisType
* @property {number} port A port number for the service.
* @property {string} hostname A host address for the service.
* @property {string=} password A password for the service.
*/
/**
* @global
* @typedef {Object} changesType
* @property {number} version An initial version number for the map.
* @property {Array.<string>} remove Map keys to delete.
* @property {Array.<Object>} add Key/value pairs to add to the map. They are
* laid out in the array as [key1, val1, key2, val2, ...
*/
/**
* @global
* @typedef {Object | Array | string | number | null | boolean} jsonType
*
*/
/**
* @global
* @typedef {Object} specType
* @property {string} name
* @property {string|null} module
* @property {string=} description
* @property {Object} env
* @property {Array.<specType>=} components
*
*/
/**
* @global
* @typedef {Object} specDeltaType
* @property {string=} name
* @property {(string|null)=} module
* @property {string=} description
* @property {Object=} env
* @property {Array.<specType>=} components
*
*/
/**
* @global
* @typedef {Object.<string, Object>} ctxType
*/