import { type ReactNode } from 'react';
export interface ToastTitleProps {
    children: ReactNode;
    variant?: 'extended' | 'simple';
}
/**
 * Title component for Toast.
 *
 * Displays the main title text with medium weight.
 * For simple variant, limits to 1 line with tooltip on overflow.
 */
export declare const ToastTitle: import("react").ForwardRefExoticComponent<ToastTitleProps & import("react").RefAttributes<HTMLDivElement>>;