src/vs/workbench/services/extensions/common/abstractExtensionService.ts/AbstractExtensionService/_releaseBarrier
class AbstractExtensionService:	private _releaseBarrier(): void {
		this._installedExtensionsReady.open();
		this._onDidRegisterExtensions.fire(undefined);
		this._onDidChangeExtensionsStatus.fire(this._registry.getAllExtensionDescriptions().map(e => e.identifier));
	}