1 /**

     2  * @param {Object} object

     3  * @return {string}

     4  */

     5 function valueOf(object) {}

     6 

     7 /**

     8  * @param {Object} object

     9  * @return {string}

    10  */

    11 function toString(object) {}

    12 

    13 /**

    14  * @param {Object} object

    15  * @return {string}

    16  */

    17 function toSource(object) {}

    18 

    19 /**

    20  * @param {Object} object

    21  * @return {string}

    22  */

    23 function constructor(object) {}