method Worker.prototype.emit
Overload 1
#Worker.prototype.emit(event: "error",err: Error,): booleanOverload 2
#Worker.prototype.emit(event: "exit",exitCode: number,): booleanOverload 3
#Worker.prototype.emit(event: "message",value: any,): booleanOverload 4
#Worker.prototype.emit(event: "messageerror",error: Error,): boolean