src/vs/workbench/contrib/extensions/browser/extensionsDependencyChecker.ts/ExtensionDependencyChecker/getUninstalledMissingDependencies
class ExtensionDependencyChecker:	private async getUninstalledMissingDependencies(): Promise<string[]> {
		const allMissingDependencies = await this.getAllMissingDependencies();
		const localExtensions = await this.extensionsWorkbenchService.queryLocal();
		return allMissingDependencies.filter(id => localExtensions.every(l => !areSameExtensions(l.identifier, { id })));
	}