src/vs/workbench/contrib/extensions/browser/extensionsActions.ts/ReinstallAction/getEntries
class ReinstallAction:	private getEntries(): Promise<(IQuickPickItem & { extension: IExtension })[]> {
		return this.extensionsWorkbenchService.queryLocal()
			.then(local => {
				const entries = local
					.filter(extension => !extension.isBuiltin)
					.map(extension => {
						return {
							id: extension.identifier.id,
							label: extension.displayName,
							description: extension.identifier.id,
							extension,
						} as (IQuickPickItem & { extension: IExtension });
					});
				return entries;
			});
	}