src/vs/workbench/services/extensions/common/abstractExtensionService.ts/_filterByExtensionHostManager
function _filterByExtensionHostManager<T>(extensions: T[], extId: (item: T) => ExtensionIdentifier, runningLocation: Map<string, ExtensionRunningLocation | null>, extensionHostManager: IExtensionHostManager): T[] {
	return _filterExtensions(extensions, extId, runningLocation, extRunningLocation => extensionHostManager.representsRunningLocation(extRunningLocation));
}