src/vs/platform/remote/electron-sandbox/remoteAuthorityResolverService.ts/RemoteAuthorityResolverService/_setCanonicalURIProvider
class RemoteAuthorityResolverService:	_setCanonicalURIProvider(provider: (uri: URI) => Promise<URI>): void {
		this._canonicalURIProvider = provider;
		this._canonicalURIRequests.forEach((value) => {
			this._canonicalURIProvider!(value.input).then((uri) => value.resolve(uri), (err) => value.reject(err));
		});
	}