import type { ColumnStatesManager } from '../columnSorting/columnStatesManager';
/**
 * Get CSS classes which should be added to particular column header.
 *
 * @param {object} columnStatesManager Instance of column state manager.
 * @param {number} column Visual column index.
 * @param {boolean} showSortIndicator Indicates if indicator should be shown for the particular column.
 * @returns {Array} Array of CSS classes.
 */
export declare function getClassesToAdd(columnStatesManager: ColumnStatesManager, column: number, showSortIndicator: boolean): string[];
/**
 * Get CSS classes which should be removed from column header.
 *
 * @param {HTMLElement} htmlElement An element to process.
 * @returns {Array} Array of CSS classes.
 */
export declare function getClassesToRemove(htmlElement: HTMLElement): string[];