acquireTokenSilent method
Silently acquire an access token for a given set of scopes.
Will use cached token if available, otherwise will attempt to acquire a new token from the network via refresh token.
Throws an AuthException on failure.
Implementation
Future<AuthenticationResult> acquireTokenSilent(SilentRequest request) async {
final response = await _convertMsalPromise<interop.AuthenticationResult>(
_callJsMethod(() => _jsObject.acquireTokenSilent(request._jsObject)));
return AuthenticationResult._fromJsObject(response);
}