//// [a.js]
function Installer() {
    this.arg = 0, this.unknown = null, this.twice = void 0, this.twice = 'hi', this.twices = [], this.twices = null;
}
Installer.prototype.first = function() {
    this.arg = 'hi', this.unknown = 'hi', this.newProperty = 1, this.twice = void 0, this.twice = 'hi';
}, Installer.prototype.second = function() {
    this.arg = !1, this.unknown = !1, this.newProperty = !1, this.twice = null, this.twice = !1, this.twices.push(1), null != this.twices && this.twices.push('hi');
};
