src/vs/workbench/services/extensions/browser/extensionService.ts/ExtensionService/_initFetchFileSystem
class ExtensionService:	private _initFetchFileSystem(): void {
		const provider = new FetchFileSystemProvider();
		this._disposables.add(this._fileService.registerProvider(Schemas.http, provider));
		this._disposables.add(this._fileService.registerProvider(Schemas.https, provider));
	}