import { HeaderItem } from '../../../../domains/shared/header';
import { AlignmentTypes } from '../../../../types';
/**
 * Builds the pair of spacer items that position the title, for the given title alignment.
 *
 * @param alignment - The resolved `titleAlignment` (style options, falling back to the theme).
 * @returns The leading and trailing spacer items.
 */
export declare const createWidgetHeaderSpacerItems: (alignment: AlignmentTypes) => {
    titleAlignmentSpacerItem: HeaderItem;
    spacerItem: HeaderItem;
};