src/vs/workbench/api/browser/mainThreadSCM.ts/MainThreadSCM/$updateGroup
class MainThreadSCM:	$updateGroup(sourceControlHandle: number, groupHandle: number, features: SCMGroupFeatures): void {
		const repository = this._repositories.get(sourceControlHandle);

		if (!repository) {
			return;
		}

		const provider = repository.provider as MainThreadSCMProvider;
		provider.$updateGroup(groupHandle, features);
	}