import { InjectionToken, type Type } from '@angular/core';
declare global {
    /**
     * Workaround:
     * This empty interface prevents TS errors when a consumer has
     * `skipLibCheck: false` and did not include `dom-speech-recognition`
     * in `tsconfig.types`.
     *
     * The real `SpeechRecognition` interface is provided by
     * `@types/dom-speech-recognition` when it is present.
     */
    interface SpeechRecognition {
    }
}
export declare const WA_SPEECH_RECOGNITION: InjectionToken<Type<SpeechRecognition> | null>;