type SpeechRecognitionErrorCode = 'aborted' | 'audio-capture' | 'bad-grammar' | 'language-not-supported' | 'network' | 'no-speech' | 'not-allowed' | 'service-not-allowed';
interface SpeechRecognitionErrorEventInit extends EventInit {
    error: SpeechRecognitionErrorCode;
    message?: string;
}
interface SpeechRecognitionEventInit extends EventInit {
    resultIndex?: number;
    results: SpeechRecognitionResultList;
}
interface SpeechGrammar {
    src: string;
    weight: number;
}
interface SpeechGrammarList {
    readonly length: number;
    addFromString: (string: string, weight?: number) => void;
    addFromURI: (src: string, weight?: number) => void;
    item: (index: number) => SpeechGrammar;
    [index: number]: SpeechGrammar;
}
interface SpeechRecognitionErrorEvent extends Event {
    readonly error: SpeechRecognitionErrorCode;
    readonly message: string;
}
interface SpeechRecognitionEvent extends Event {
    readonly resultIndex: number;
    readonly results: SpeechRecognitionResultList;
}
interface SpeechRecognitionEventMap {
    audioend: Event;
    audiostart: Event;
    end: Event;
    error: SpeechRecognitionErrorEvent;
    nomatch: SpeechRecognitionEvent;
    result: SpeechRecognitionEvent;
    soundend: Event;
    soundstart: Event;
    speechend: Event;
    speechstart: Event;
    start: Event;
}
interface SpeechRecognition extends EventTarget {
    continuous: boolean;
    grammars: SpeechGrammarList;
    interimResults: boolean;
    lang: string;
    maxAlternatives: number;
    onaudioend: ((this: SpeechRecognition, ev: Event) => any) | null;
    onaudiostart: ((this: SpeechRecognition, ev: Event) => any) | null;
    onend: ((this: SpeechRecognition, ev: Event) => any) | null;
    onerror: ((this: SpeechRecognition, ev: SpeechRecognitionErrorEvent) => any) | null;
    onnomatch: ((this: SpeechRecognition, ev: SpeechRecognitionEvent) => any) | null;
    onresult: ((this: SpeechRecognition, ev: SpeechRecognitionEvent) => any) | null;
    onsoundend: ((this: SpeechRecognition, ev: Event) => any) | null;
    onsoundstart: ((this: SpeechRecognition, ev: Event) => any) | null;
    onspeechend: ((this: SpeechRecognition, ev: Event) => any) | null;
    onspeechstart: ((this: SpeechRecognition, ev: Event) => any) | null;
    onstart: ((this: SpeechRecognition, ev: Event) => any) | null;
    abort: () => void;
    start: () => void;
    stop: () => void;
    addEventListener: (<K extends keyof SpeechRecognitionEventMap>(type: K, listener: (this: SpeechRecognition, ev: SpeechRecognitionEventMap[K]) => any, options?: boolean | AddEventListenerOptions) => void) & ((type: string, listener: EventListenerOrEventListenerObject, options?: boolean | AddEventListenerOptions) => void);
    removeEventListener: (<K extends keyof SpeechRecognitionEventMap>(type: K, listener: (this: SpeechRecognition, ev: SpeechRecognitionEventMap[K]) => any, options?: boolean | EventListenerOptions) => void) & ((type: string, listener: EventListenerOrEventListenerObject, options?: boolean | EventListenerOptions) => void);
}

export { SpeechRecognition, SpeechRecognitionErrorCode, SpeechRecognitionErrorEvent, SpeechRecognitionErrorEventInit, SpeechRecognitionEventInit };