src/vs/base/parts/ipc/node/ipc.net.ts/ZlibInflateStream/flush
class ZlibInflateStream:	public flush(callback: (data: VSBuffer) => void): void {
		this._zlibInflate.flush(() => {
			this._tracer.traceSocketEvent(SocketDiagnosticsEventType.zlibInflateFlushFired);
			const data = VSBuffer.concat(this._pendingInflateData);
			this._pendingInflateData.length = 0;
			callback(data);
		});
	}