export declare class Modal {
    element: HTMLElement;
    tabDirection: 'forward' | 'backward';
    protected trapFocus: boolean;
    constructor(element: HTMLElement);
    activate(): void;
    deactivate(): void;
    isActive(): boolean;
    checkFocus(event: KeyboardEvent): void;
    handleFocusIn(): void;
    handleFocusOut(): void;
    handleKeyDown(event: KeyboardEvent): void;
    handleKeyUp(): void;
}
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