src/vs/workbench/services/extensions/common/abstractExtensionService.ts/AbstractExtensionService/_updateExtensionsOnExtHost
class AbstractExtensionService:	private async _updateExtensionsOnExtHost(extensionHostManager: IExtensionHostManager, toAdd: IExtensionDescription[], toRemove: ExtensionIdentifier[], removedRunningLocation: Map<string, ExtensionRunningLocation | null>): Promise<void> {
		const myToAdd = filterByExtensionHostManager(toAdd, this._runningLocation, extensionHostManager);
		const myToRemove = _filterByExtensionHostManager(toRemove, extId => extId, removedRunningLocation, extensionHostManager);
		await extensionHostManager.deltaExtensions({ toRemove, toAdd, myToRemove, myToAdd: myToAdd.map(extension => extension.identifier) });
	}