import type { VoiceModelDownloadStatus, VoiceStartListeningOptions } from './main';
export declare enum NativeVoiceErrorCode {
    SPEECH_RECOGNIZER_NOT_AVAILABLE = "ERR_SPEECH_RECOGNIZER_NOT_AVAILABLE",
    RECORDING_START_FAILED = "ERR_RECORDING_START_FAILED",
    RECOGNITION_FAILED = "ERR_RECOGNITION_FAILED",
    PERMISSION_DENIED = "ERR_PERMISSION_DENIED",
    PERMISSION_RESTRICTED = "ERR_PERMISSION_RESTRICTED",
    PERMISSION_NOT_DETERMINED = "ERR_PERMISSION_NOT_DETERMINED",
    INVALID_STATE = "ERR_INVALID_STATE",
    UNKNOWN = "ERR_UNKNOWN"
}
export interface NativeVoiceKit {
    startListening: (options: Required<VoiceStartListeningOptions>) => Promise<void>;
    stopListening: () => Promise<void>;
    isSpeechRecognitionAvailable: () => Promise<boolean>;
    isOnDeviceModelInstalled: (locale: string) => Promise<boolean>;
    getSupportedLocales: () => Promise<string[]>;
    downloadOnDeviceModel: (locale: string) => Promise<{
        status: VoiceModelDownloadStatus;
        progressAvailable: boolean;
    }>;
}
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