1616 | {[key: string]: string, ...};
1617
1618▶// TODO Heades and URLSearchParams are almost the same thing.
1619// Could it somehow be abstracted away?
1620declare class Headers {
· · ·
2234
2235 text: string;
2236▶ lang: string;
2237 voice: SpeechSynthesisVoice | null;
2238 volume: number;
· · ·
2284 +voiceURI: string;
2285 +name: string;
2286▶ +lang: string;
2287 +localService: boolean;
2288 +default: boolean;
· · ·
2366
2367 +grammars: SpeechGrammar[];
2368▶ +lang: string;
2369 +continuous: boolean;
2370 +interimResults: boolean;