src/vs/editor/standalone/browser/standaloneServices.ts/StandaloneWorkspaceContextService/getWorkspaceFolder
class StandaloneWorkspaceContextService:	public getWorkspaceFolder(resource: URI): IWorkspaceFolder | null {
		return resource && resource.scheme === StandaloneWorkspaceContextService.SCHEME ? this.workspace.folders[0] : null;
	}