export declare class Shoehorn extends HTMLElement {
    private _active;
    private _currentFontSize;
    private _rafId;
    private _debounceId;
    private _textWrapper;
    private _mutationObserver;
    private _onWindowResize;
    constructor();
    get mode(): 'width' | 'height' | 'box';
    get minSize(): number;
    get maxSize(): number;
    connectedCallback(): void;
    disconnectedCallback(): void;
    fit(options?: {
        sync?: boolean;
    }): void;
    freeze(): void;
    unfreeze(): void;
    private _resize;
    resize(): void;
    private _getFloatAttribute;
}