src/vs/platform/files/common/fileService.ts/FileService/doPipeBuffered
class FileService:	private async doPipeBuffered(sourceProvider: IFileSystemProviderWithOpenReadWriteCloseCapability, source: URI, targetProvider: IFileSystemProviderWithOpenReadWriteCloseCapability, target: URI): Promise<void> {
		return this.writeQueue.queueFor(target, this.getExtUri(targetProvider).providerExtUri).queue(() => this.doPipeBufferedQueued(sourceProvider, source, targetProvider, target));
	}