Source
void addFromUri(String src, [num weight]) {
if (weight != null) {
_blink.BlinkSpeechGrammarList.instance.addFromUri_Callback_2_(unwrap_jso(this), src, weight);
return;
}
_blink.BlinkSpeechGrammarList.instance.addFromUri_Callback_1_(unwrap_jso(this), src);
return;
}