interface WhisperStreamCallbacks {
    onStatusChange?: (status: string) => any;
    onTranscription?: (transcription: string) => any;
    onError?: (error: string) => any;
    onInfo?: (info: string) => any;
}
export interface WhisperStreamInstance extends WhisperStreamCallbacks {
    context: AudioContext | null;
    audio: Float32Array | null;
    audio0: Float32Array | null;
    doRecording: boolean;
    startTime: number;
    mediaRecorder: MediaRecorder | null;
    intervalUpdate: any;
    transcribedAll: string;
    nLines: number;
    instance: any;
    start: () => Promise<void>;
    stop: () => Promise<void>;
}
export interface WhisperStreamOptions extends WhisperStreamCallbacks {
    urlPrefix?: string;
    model?: "tiny.en" | "small.en" | "base.en";
    onProgress?: (progress: number) => void;
}
export declare function createWhisperStream(options?: WhisperStreamOptions): Promise<WhisperStreamInstance>;
export declare function startRecording(whisperStream: WhisperStreamInstance): Promise<void>;
export declare function stopRecording(whisperStream: WhisperStreamInstance): Promise<void>;
export {};