import React from 'react';
import type { MarqueTickerItemData, SlotRender } from './types';
export declare function normalizeItemsFromProps(items: Array<string | React.ReactNode>): MarqueTickerItemData[];
export declare function normalizeItemsFromChildren(children: React.ReactNode): MarqueTickerItemData[];
/**
 * Type guards
 */
export declare function isItem(element: any): element is React.ReactElement<{
    children: React.ReactNode;
}>;
export declare function isMask(element: any): element is React.ReactElement<{
    children: React.ReactNode;
}>;
export declare function isText(element: any): element is React.ReactElement<{
    children: React.ReactNode;
}>;
export declare function renderSlot(slot: SlotRender): React.ReactNode;
export declare function useEvent<T extends (...args: any[]) => any>(handler: T): (...args: Parameters<T>) => ReturnType<T>;