import { CSSProperties } from 'react';
import { ToastProviderContextProps } from './ToastProvider';
import { ToastProps } from './Toast';
/**
 * Animation duration for toast transitions in milliseconds
 */
export declare const ANIMATION_DURATION = 300;
/**
 * Hook for calculating position styles for the show more button
 * @returns CSS properties for positioning the show more button
 */
export declare const useShowMoreButtonPositionStyles: () => CSSProperties;
/**
 * Hook for calculating position styles for individual toasts
 * @param index - The index of the toast in the stack
 * @returns CSS properties for positioning the toast
 */
export declare const useToastPositionStyles: (index: number) => CSSProperties | undefined;
/**
 * Adds or updates the height of a toast in the height tracking system
 * @param toastId - The unique identifier of the toast
 * @param toastHeight - The height of the toast in pixels
 * @param setToastHeights - Function to update toast heights
 */
export declare const addOrUpdateToastHeight: (toastId: string, toastHeight: number, setToastHeights: ToastProviderContextProps["setToastHeights"]) => void;
/**
 * Closes a toast with animation support
 * @param setToasts - Function to update toasts
 * @param setToastHeights - Function to update toast heights
 * @param closingToastClassName - CSS class for closing animation
 * @param id - Optional toast ID to close specific toast, or undefined to close all
 */
export declare const closeToast: (setToasts: ToastProviderContextProps["setToasts"], setToastHeights: ToastProviderContextProps["setToastHeights"], closingToastClassName: ToastProps["toastClassName"], id?: string) => void;
/**
 * Hook that returns a function to close toasts
 * @param closingToastClassName - CSS class for closing animation
 * @returns Function to close toasts by ID or all toasts
 */
export declare const useCloseToast: (closingToastClassName: ToastProps["toastClassName"]) => (id?: string) => void;