/**
 * @typedef   SomeWidget
 * @type      {object}
 * @property  {String} keyField
 *            Key field for property
 * @property  {AnotherOne} [label]
 *            Label to add to select widget
 * @property  {(String|function|Array.<String>)} dataSource
 *            Source for option elements, may be: ...
 */

/**
 * @typedef   AnotherOne
 * @type      {DefClass}
 * @property  {SomeWidget} yet
 */    