src/vs/workbench/contrib/externalUriOpener/common/contributedOpeners.ts/ContributedExternalUriOpenersStore/didRegisterOpener
class ContributedExternalUriOpenersStore:	public didRegisterOpener(id: string, extensionId: string): void {
		this.add(id, extensionId, {
			isCurrentlyRegistered: true
		});
	}