export interface ModalOptions {
    closeOnBackdrop?: boolean;
    closeOnEscape?: boolean;
    animationDuration?: number;
    openClass?: string;
    backdropClass?: string;
    trapFocus?: boolean;
    focusElement?: string;
    returnFocus?: boolean;
    onOpen?: (modal: HTMLElement) => void;
    onClose?: (modal: HTMLElement) => void;
    onBeforeClose?: (modal: HTMLElement) => boolean | void;
}
export declare class Modal {
    private element;
    private options;
    private triggerElement;
    private focusableElements;
    private isOpen;
    private backdropElement;
    constructor(selectorOrElement: string | HTMLElement, options?: ModalOptions);
    get opened(): boolean;
    open(trigger?: HTMLElement): void;
    close(): void;
    toggle(trigger?: HTMLElement): void;
    setContent(html: string): void;
    destroy(): void;
    static initModals(): Modal[];
    private init;
    private createBackdrop;
    private removeBackdrop;
    private updateFocusableElements;
    private setInitialFocus;
    private handleKeydown;
    private handleTabKey;
    private handleCloseClick;
}
export default Modal;
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