src/vs/platform/files/node/diskFileSystemProviderServer.ts/AbstractDiskFileSystemProviderChannel/read
class AbstractDiskFileSystemProviderChannel:	private async read(fd: number, pos: number, length: number): Promise<[VSBuffer, number]> {
		const buffer = VSBuffer.alloc(length);
		const bufferOffset = 0; // offset is 0 because we create a buffer to read into for each call
		const bytesRead = await this.provider.read(fd, pos, buffer.buffer, bufferOffset, length);

		return [buffer, bytesRead];
	}