/**
 * @constructor
 * @extends Yo.grandpa
 */
Yo.parent = function () {

};

/**
 * @constructor
 * @extends Yo.grandpa
 */
Yo.parent = function () {

};

/**
 * Do the.
 * @param {string} a The a.
 * @param {string} b The a.
 * @param {string} c The a.
 */
Yo.parent.prototype.parentMethod = function (a, b, c) {
};

Yo.parent.prototype.anotherMethod = function () {
};

Add two functions