/**
 * A utility class to manage browser notifications with sound and custom behavior.
 * Useful for triggering system notifications with optional sound, avatar icon, body truncation, and click actions.
 *
 * @class
 */
declare class TinyNotifications {
    #private;
    /**
     * Constructs a new instance of TinyNotifications.
     *
     * @param {Object} [settings={}] - Optional settings to initialize the notification manager.
     * @param {string|HTMLAudioElement|null} [settings.audio] - Path or URL to the audio file for notification sounds.
     * @param {string|null} [settings.defaultIcon] - Default icon URL to be used in notifications.
     * @param {number} [settings.bodyLimit=100] - Maximum number of characters allowed in the notification body.
     * @param {(this: Notification, evt: Event) => any} [settings.defaultOnClick] - Default function to execute when a notification is clicked.
     * @throws {TypeError} If any of the parameters are of an invalid type.
     */
    constructor({ audio, defaultIcon, bodyLimit, defaultOnClick, }?: {
        audio?: string | HTMLAudioElement | null;
        defaultIcon?: string | null;
        bodyLimit?: number;
        defaultOnClick?: (this: Notification, evt: Event) => any;
    });
    /**
     * Requests permission from the user to show notifications.
     * Updates the internal `#allowed` flag.
     *
     * @returns {Promise<boolean>} Resolves to `true` if permission is granted, otherwise `false`.
     */
    requestPerm(): Promise<boolean>;
    /**
     * Checks if the Notification API is supported by the current browser.
     *
     * @returns {boolean} Returns `true` if notifications are supported, otherwise `false`.
     */
    isCompatible(): boolean;
    /**
     * Sends a browser notification with the provided title and configuration.
     * Truncates the body if necessary and plays a sound if configured.
     *
     * @param {string} title - The title of the notification.
     * @param {NotificationOptions & { vibrate?: number[] }} [config={}] - Optional configuration for the notification.
     * @returns {Notification|null} The created `Notification` instance, or `null` if permission is not granted.
     * @throws {TypeError} If the title is not a string or config is not a valid object.
     */
    send(title: string, config?: NotificationOptions & {
        vibrate?: number[];
    }): Notification | null;
    /**
     * Whether the requestPerm() method was already called.
     * @returns {boolean}
     */
    wasPermissionRequested(): boolean;
    /**
     * Returns the current permission status.
     * @returns {boolean} `true` if permission was granted, otherwise `false`.
     */
    isAllowed(): boolean;
    /**
     * Gets the current notification audio.
     * @returns {HTMLAudioElement|null} The sound element, or `null` if not set.
     */
    getAudio(): HTMLAudioElement | null;
    /**
     * Sets the audio element used for notification sounds.
     * @param {HTMLAudioElement|string|null} value - A valid `HTMLAudioElement` or `null` to disable sound.
     * @throws {TypeError} If the value is not an `HTMLAudioElement` or `null`.
     */
    setAudio(value: HTMLAudioElement | string | null): void;
    /**
     * Gets the maximum length of the notification body text.
     * @returns {number} Number of characters allowed.
     */
    getBodyLimit(): number;
    /**
     * Sets the maximum number of characters allowed in the notification body.
     * @param {number} value - A non-negative integer.
     * @throws {TypeError} If the value is not a valid non-negative number.
     */
    setBodyLimit(value: number): void;
    /**
     * Gets the default avatar icon URL.
     * @returns {string|null} The URL string or `null`.
     */
    getDefaultAvatar(): string | null;
    /**
     * Sets the default avatar icon URL.
     * @param {string|null} value - A string URL or `null` to disable default icon.
     * @throws {TypeError} If the value is not a string or `null`.
     */
    setDefaultAvatar(value: string | null): void;
    /**
     * Gets the default click event handler for notifications.
     * @returns {(this: Notification, evt: Event) => any} The current click handler function.
     */
    getDefaultOnClick(): (this: Notification, evt: Event) => any;
    /**
     * Sets the default click event handler for notifications.
     * @param {(this: Notification, evt: Event) => any} value - A function to handle the notification click event.
     * @throws {TypeError} If the value is not a function.
     */
    setDefaultOnClick(value: (this: Notification, evt: Event) => any): void;
}
export default TinyNotifications;
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