/**
 * @since 6.0.0
 */
export interface FormMessageContainerClassNameOptions {
    className?: string;
    /**
     * Set to `true` to enable `display: inline-flex; width: auto`.
     *
     * @defaultValue `false`
     * @since 6.3.0
     */
    inline?: boolean;
}
/**
 * @since 6.0.0
 */
export declare function formMessageContainer(options?: FormMessageContainerClassNameOptions): string;
