import type { DataAccessObject } from '../types';
import type Settings from '../settings';
/**
 * Column utils class contains all necessary information about sizes of the columns.
 *
 * @class {ColumnUtils}
 */
export default class ColumnUtils {
    /**
     * @type {TableDao}
     */
    dataAccessObject: DataAccessObject;
    /**
     * @type {Settings}
     */
    wtSettings: Settings;
    /**
     * @type {Map<number, number>}
     */
    headerWidths: Map<number, number>;
    /**
     * @param {TableDao} dataAccessObject The table Data Access Object.
     * @param {Settings} wtSettings The walkontable settings.
     */
    constructor(dataAccessObject: DataAccessObject, wtSettings: Settings);
    /**
     * Returns column width based on passed source index.
     *
     * @param {number} sourceIndex Column source index.
     * @returns {number}
     */
    getWidth(sourceIndex: number): number | undefined;
    /**
     * Returns column header height based on passed header level.
     *
     * @param {number} level Column header level.
     * @returns {number}
     */
    getHeaderHeight(level: number): number;
    /**
     * Returns column header width based on passed source index.
     *
     * @param {number} sourceIndex Column source index.
     * @returns {number}
     */
    getHeaderWidth(sourceIndex: number): number | undefined;
    /**
     * Calculates column header widths that can be retrieved from the cache.
     */
    calculateWidths(): void;
}