src/vs/workbench/services/extensionManagement/browser/extensionEnablementService.ts/ExtensionsManager/initialize
class ExtensionsManager:	private async initialize(): Promise<void> {
		try {
			this._extensions = await this.extensionManagementService.getInstalled();
			this._onDidChangeExtensions.fire({ added: this.extensions, removed: [] });
		} catch (error) {
			this.logService.error(error);
		}
		Event.filter(this.extensionManagementService.onDidInstallExtension, (e => !!e.local))(e => this.onDidInstallExtension(e.local!));
		Event.filter(this.extensionManagementService.onDidUninstallExtension, (e => !e.error))(e => this.onDidUninstallExtension(e.identifier, e.server));
	}