Function getOwnKeys

test/fixtures/snapshot/typescript.js:1449–1457

* Gets the owned, enumerable property keys of a map-like.

(map)

     * Gets the owned, enumerable property keys of a map-like.
     */
    function getOwnKeys(map) {
        var keys = [];
        for (var key in map) {
            if (hasOwnProperty.call(map, key)) {
                keys.push(key);
            }
        }
        return keys;
    }
    ts.getOwnKeys = getOwnKeys;
    function getAllKeys(obj) {
        var result = [];