src/vs/platform/files/node/diskFileSystemProviderServer.ts/AbstractDiskFileSystemProviderChannel/writeFile
class AbstractDiskFileSystemProviderChannel:	private writeFile(uriTransformer: IURITransformer, _resource: UriComponents, content: VSBuffer, opts: IFileWriteOptions): Promise<void> {
		const resource = this.transformIncoming(uriTransformer, _resource);

		return this.provider.writeFile(resource, content.buffer, opts);
	}