interface dom.SpeechGrammarListimport { type dom } from "https://deno.land/x/evt@v2.5.3/mod.ts"; const { SpeechGrammarList } = dom; Index Signatures[index: number]: SpeechGrammarPropertiesreadonlylength: numberMethodsaddFromString(string: string, weight?: number): voidaddFromURI(src: string, weight?: number): voiditem(index: number): SpeechGrammar