/**
 * --------------------------------------------------------------------------
 * Fork from Bootstrap (v4-without-jquery): util.js
 * --------------------------------------------------------------------------
 */
/**
 * --------------------------------------------------------------------------
 * Public Util Api
 * --------------------------------------------------------------------------
 */
declare const Util: {
    TRANSITION_END: string;
    getUID(prefix: string): string;
    getSelectorFromElement(element: Element): string | null;
    getTransitionDurationFromElement(element?: Element): number;
    reflow(element: HTMLElement): number;
    triggerTransitionEnd(element: Element): void;
    isElement(obj: any): boolean;
    emulateTransitionEnd(element: Element, duration: number): void;
    typeCheckConfig(componentName: any, config: any, configTypes: any): void;
    makeArray(nodeList: HTMLCollection | NodeListOf<Element>): Element[];
    findShadowRoot(element: Element): ShadowRoot | null;
    throttle(func: any, wait: any, leading: any, trailing: any, context: any): ReturnFunction;
    /**
     * Coerces value to a boolean
     * @param value - value to be coerced
     *
     * @exemple
     * - `coerceBool('something')` returns `true`
     * - `coerceBool(undefined)` returns `false`
     * - `coerceBool(null)` returns `false`
     */
    coerceBool(value: any): boolean;
};
export interface ReturnFunction {
    (): unknown | void;
}
export default Util;