import { ConfigurationService } from '../../configuration';
import { RecordingOptions, RecordingService, RecordingState } from '../recording.service';

export interface RecordingUtils {
    downloadBlob: (blob: Blob, filename?: string) => void;
    createObjectURL: (blob: Blob) => string;
    uploadBlob: (blob: Blob, endpoint: string) => Promise<Response>;
    saveToIndexedDB: (blob: Blob, key: string) => Promise<void>;
    getFileExtension: (mimeType: string) => string;
}
export type RecordingStoppedCallback = (blob: Blob, utils: RecordingUtils) => void;
export type RecordingDataCallback = (data: {
    chunk: Blob;
    totalSize: number;
    duration: number;
}) => void;
export type RecordingLimitCallback = (data: {
    type: 'duration' | 'fileSize';
    limit: number;
}) => void;
export declare class RecordingController {
    private configService;
    private recordingService;
    private stateCallbacks;
    private errorCallbacks;
    private recordingStoppedCallbacks;
    private recordingDataCallbacks;
    private recordingLimitCallbacks;
    private unsubscribes;
    private utils;
    constructor(configService: ConfigurationService, recordingService: RecordingService);
    private createUtils;
    private generateFilename;
    private setupEventListeners;
    destroy(): void;
    startRecording: (options?: RecordingOptions) => Promise<void>;
    stopRecording: () => Promise<Blob>;
    pauseRecording: () => void;
    resumeRecording: () => void;
    onStateChange: (callback: (state: RecordingState) => void) => VoidFunction;
    onError: (callback: (error: any) => void) => VoidFunction;
    onRecordingStopped: (callback: RecordingStoppedCallback) => VoidFunction;
    onRecordingData: (callback: RecordingDataCallback) => VoidFunction;
    onRecordingLimitReached: (callback: RecordingLimitCallback) => VoidFunction;
    private handleRecordingComplete;
    private _notifyStateChange;
    private _notifyError;
    private _notifyRecordingStopped;
    private _notifyRecordingData;
    private _notifyRecordingLimit;
    get state(): RecordingState;
}