import { ToneWebComponentLifecycle } from '../../utils/ToneWebComponentLifecycle';
/**
 * @class FAB
 * @extends HTMLElement
 * @description A custom element for the floating action button (FAB) that opens the accessibility menu.
 *
 * @fires tone-fab-click - Dispatched when the button is clicked.
 *
 * @property {boolean} active - Reflects the active state of the button (e.g., when the menu is open).
 * @property {string} position - Sets the position of the FAB ('bottomLeft', 'bottomRight', 'centerLeft', 'centerRight').
 */
export declare class FAB extends HTMLElement implements ToneWebComponentLifecycle {
    private shadow;
    private buttonElement;
    private _active;
    private _position;
    constructor();
    static get observedAttributes(): string[];
    attributeChangedCallback(name: string, oldValue: string | null, newValue: string | null): void;
    connectedCallback(): void;
    disconnectedCallback(): void;
    get active(): boolean;
    set active(value: boolean);
    get position(): 'bottomLeft' | 'bottomRight' | 'centerLeft' | 'centerRight';
    set position(value: 'bottomLeft' | 'bottomRight' | 'centerLeft' | 'centerRight');
    private applyPositionClass;
    /**
     * Toggles the active state of the FAB.
     * This method might be called externally to open/close the menu.
     */
    toggle(): void;
    /**
     * Handles the click event on the FAB itself.
     * Dispatches an event to notify the main app to toggle the menu.
     */
    private handleClick;
    /**
     *
     * @param event The CustomEvent with detail.isOpen indicating the menu's new state.
     */
    private handleMenuToggle;
    private render;
}