/**
 * @typedef {Object} mep_niconico_load_object
 * @property {string} videoId - The ID of the video.
 * @property {number} [startSeconds] - The start time of the video.
 * @property {number} [endSeconds] - The end time of the video.
 */
interface mep_niconico_load_object {
    videoId: string;
    startSeconds?: number;
    endSeconds?: number;
}
/**
 * @typedef {Object} mep_niconico_playerVars
 * @property {number} [startSeconds] - The start time of the video.
 * @property {number} [endSeconds] - The end time of the video.
 * @property {number} [autoplay] - Whether the video is on autoplay.
 * @property {number} [displayComment] - Whether the video is on display comment mode.
 */
interface mep_niconico_playerVars {
    startSeconds?: number;
    endSeconds?: number;
    autoplay?: number;
    displayComment?: number;
}
/**
 * @typedef {Object} mep_niconico_content
 * @property {string} videoId - The ID of the video.
 * @property {number} width - The width of the player.
 * @property {number} height - The height of the player.
 * @property {mep_niconico_playerVars} playerVars - The player variables.
 */
interface NiconicoPlayerState {
    isRepeat: boolean;
    playerStatus: number;
    currentTime?: number;
    duration?: number;
    muted?: boolean;
    volume?: number;
    videoInfo?: {
        title?: string;
    };
}
interface mep_niconico_content {
    videoId: string;
    width: number;
    height: number;
    playerVars?: mep_niconico_playerVars;
}
interface NiconicoPlayMessage {
    eventName: 'play';
}
interface NiconicoPauseMessage {
    eventName: 'pause';
}
interface NiconicoSeekMessage {
    eventName: 'seek';
    data: {
        time: number;
    };
}
interface NiconicoCommentVisibilityMessage {
    eventName: 'commentVisibilityChange';
    data: {
        commentVisibility: boolean;
    };
}
interface NiconicoMuteMessage {
    eventName: 'mute';
    data: {
        mute: boolean;
    };
}
interface NiconicoVolumeMessage {
    eventName: 'volumeChange';
    data: {
        volume: number;
    };
}
type NiconicoPostMessage = NiconicoPlayMessage | NiconicoPauseMessage | NiconicoSeekMessage | NiconicoCommentVisibilityMessage | NiconicoMuteMessage | NiconicoVolumeMessage;
/**
 * Class representing a Niconico player.
 */
declare class mep_niconico {
    #private;
    state: NiconicoPlayerState;
    startSeconds: number;
    player: HTMLIFrameElement;
    playerId: string;
    autoplay_flag: boolean;
    endSeconds: number;
    displayCommentMode: boolean | undefined;
    /**
     * The ID of the player.
     * @type {number}
     */
    static playerId: number;
    /**
     * The origin of the Niconico player.
     * @type {string}
     */
    static origin: string;
    /**
     * The result of checking local storage.
     * @type {boolean}
     */
    static localStorageCheck: boolean | null;
    /**
     * Create a Niconico player.
     * @param {string|HTMLElement} replacing_element - The element to replace with the player.
     * @param {Object} content - The content of the player.
     * @param {Function} player_set_event_function - The function to set player events.
     */
    constructor(replacing_element: string | HTMLElement, content: mep_niconico_content, player_set_event_function?: (player: HTMLIFrameElement) => void);
    /**
     * Cue a video by ID.
     * @param {mep_niconico_load_object} content - The content of the video.
     */
    cueVideoById(content: mep_niconico_load_object): void;
    /**
     * Load a video by ID.
     * @param {mep_niconico_load_object} content - The content of the video.
     */
    loadVideoById(content: mep_niconico_load_object): void;
    /**
     * Get the real duration of the video.
     * @returns {number} The duration of the video.
     */
    getRealDulation(): number;
    /**
     * Play the video.
     */
    playVideo(): void;
    /**
     * Pause the video.
     */
    pauseVideo(): void;
    /**
     * Get the current time of the video.
     * @returns {number} The current time of the video.
     */
    getCurrentTime(): number;
    /**
     * Get the duration of the video.
     * @returns {number} The duration of the video.
     */
    getDuration(): number;
    /**
     * Get the title of the video.
     * @returns {string} The title of the video.
     */
    getTitle(): string;
    /**
     * Check if the video is muted.
     * @returns {boolean} Whether the video is muted.
     */
    isMuted(): boolean;
    /**
     * Get the volume of the video.
     * @returns {number} The volume of the video.
     */
    getVolume(): number;
    /**
     * Seek to a specific time in the video.
     * @param {number} seconds - The time to seek to.
     */
    seekTo(seconds: number): void;
    /**
     * Change the display comment mode of the video.
     * @param {boolean} mode - The display comment mode to set.
     */
    displayComment(mode: boolean): void;
    /**
     * Mute the video.
     */
    mute(): void;
    /**
     * Unmute the video.
     */
    unMute(): void;
    /**
     * Set the volume of the video.
     * @param {number} volume - The volume to set.
     */
    setVolume(volume: number): void;
    /**
     * Get the state of the player.
     * @returns {number} The state of the player.
     */
    getPlayerState(): number;
}
//# sourceMappingURL=niconico.d.ts.map