src/vs/workbench/api/browser/mainThreadFileSystem.ts/RemoteFileSystemProvider/write
class RemoteFileSystemProvider:	write(fd: number, pos: number, data: Uint8Array, offset: number, length: number): Promise<number> {
		return this._proxy.$write(this._handle, fd, pos, VSBuffer.wrap(data).slice(offset, offset + length));
	}