export declare const ONE_MiB: number;
export declare const SCROLL_BUFFER = 10;
export declare const VOICE_RECORDER_CLICK_BUFFER_TIME = 250;
export declare const VOICE_RECORDER_DEFAULT_MIN = 1000;
export declare const VOICE_RECORDER_DEFAULT_MAX = 600000;
export declare const VOICE_RECORDER_AUDIO_BIT_RATE = 12000;
export declare const VOICE_RECORDER_AUDIO_SAMPLE_RATE = 11025;
export declare const BROWSER_SUPPORT_MIME_TYPE_LIST: string[];
export declare const VOICE_PLAYER_PLAYBACK_BUFFER = 0.01;
export declare const VOICE_PLAYER_DURATION_MIN_SIZE = 1000;
/**
 * Append Audio element to the root
 * because I can't get the Audio element in the useEffect unmount scope
 */
export declare const VOICE_PLAYER_ROOT_ID = "sendbird-voice-player-provider-root";
export declare const VOICE_PLAYER_AUDIO_ID = "sendbird-global-audio-player-id";
export declare const VOICE_MESSAGE_FILE_NAME = "Voice_message.mp3";
export declare const VOICE_MESSAGE_MIME_TYPE = "audio/mp3;sbu_type=voice";
export declare const META_ARRAY_VOICE_DURATION_KEY = "KEY_VOICE_MESSAGE_DURATION";
export declare const META_ARRAY_MESSAGE_TYPE_KEY = "KEY_INTERNAL_MESSAGE_TYPE";
export declare const META_ARRAY_MESSAGE_TYPE_VALUE__VOICE = "voice/mp3";
export declare const DELIVERY_RECEIPT = "delivery_receipt";
export declare const SLIDER_BUTTON_ICON_SIDE_LENGTH = "32px";
export declare const DEFAULT_MULTIPLE_FILES_MESSAGE_LIMIT = 10;
