src/vs/workbench/api/common/extHostSCM.ts/ExtHostSCM/$executeResourceCommand
class ExtHostSCM:	$executeResourceCommand(sourceControlHandle: number, groupHandle: number, handle: number, preserveFocus: boolean): Promise<void> {
		this.logService.trace('ExtHostSCM#$executeResourceCommand', sourceControlHandle, groupHandle, handle);

		const sourceControl = this._sourceControls.get(sourceControlHandle);

		if (!sourceControl) {
			return Promise.resolve(undefined);
		}

		const group = sourceControl.getResourceGroup(groupHandle);

		if (!group) {
			return Promise.resolve(undefined);
		}

		return group.$executeResourceCommand(handle, preserveFocus);
	}