src/vs/workbench/contrib/externalUriOpener/common/externalUriOpenerService.ts/ExternalUriOpenerService/getAllOpenersForUri
class ExternalUriOpenerService:	private async getAllOpenersForUri(targetUri: URI): Promise<Map<string, IExternalUriOpener>> {
		const allOpeners = new Map<string, IExternalUriOpener>();
		await Promise.all(Iterable.map(this._providers, async (provider) => {
			for await (const opener of provider.getOpeners(targetUri)) {
				allOpeners.set(opener.id, opener);
			}
		}));
		return allOpeners;
	}