/**
 * @since 6.0.0
 */
export interface ToastContentClassNameOptions {
    className?: string;
    /** @defaultValue `false` */
    action?: boolean;
    /** @defaultValue `false` */
    stacked?: boolean;
    /** @defaultValue `false` */
    multiline?: boolean;
    /** @defaultValue `false` */
    closeButton?: boolean;
}
/**
 * @since 6.0.0
 */
export declare function toastContent(options?: ToastContentClassNameOptions): string;
