import type { StylesHandler } from './types';
/**
 * @todo Describe options.
 * @typedef SettingsPure
 *
 * @property {Option} facade @todo desc.
 * @property {Option} ariaTags Option `ariaTags`.
 * @property {Option} cellRenderer Option `cellRenderer`.
 * @property {Option} columnHeaders Option `columnHeaders`.
 * @property {Option} columnWidth Option `columnWidth`.
 * @property {Option} currentRowClassName Option `currentRowClassName`.
 * @property {Option} data Option `data`.
 * @property {Option} defaultColumnWidth Option `defaultColumnWidth`.
 * @property {Option} externalRowCalculator Option `externalRowCalculator`.
 * @property {Option} fixedColumnsStart Option `fixedColumnsStart`.
 * @property {Option} fixedRowsBottom Option `fixedRowsBottom`.
 * @property {Option} fixedRowsTop Option `fixedRowsTop`.
 * @property {Option} groups Option `groups`.
 * @property {Option} hideBorderOnMouseDownOver Option `hideBorderOnMouseDownOver`.
 * @property {Option} isRtl Option `isRtl`.
 * @property {Option} isDataViewInstance Option `isDataViewInstance`.
 * @property {Option} minSpareRows Option `minSpareRows`.
 * @property {Option} onBeforeHighlightingColumnHeader Option `onBeforeHighlightingColumnHeader`.
 * @property {Option} onBeforeHighlightingRowHeader Option `onBeforeHighlightingRowHeader`.
 * @property {Option} onBeforeRemoveCellClassNames Option `onBeforeRemoveCellClassNames`.
 * @property {Option} preventOverflow Option `preventOverflow`.
 * @property {Option} preventWheel Option `preventWheel`.
 * @property {Option} renderAllColumns Option `renderAllColumns`.
 * @property {Option} renderAllRows Option `renderAllRows`.
 * @property {Option} rowHeaders Option `rowHeaders`.
 * @property {Option} rowHeightOption `rowHeight`.
 * @property {Option} rowHeightByOverlayName Option `rowHeightByOverlayName`.
 * @property {Option} shouldRenderBottomOverlay Option `shouldRenderBottomOverlay`.
 * @property {Option} shouldRenderInlineStartOverlay Option `shouldRenderInlineStartOverlay`.
 * @property {Option} shouldRenderTopOverlay Option `shouldRenderTopOverlay`.
 * @property {Option} table Option `table`.
 * @property {Option} totalColumns Option `totalColumns`.
 * @property {Option} totalRows Option `totalRows`.
 * @property {?Option} beforeDraw Option `beforeDraw`.
 * @property {?Option} columnHeaderHeight Option `columnHeaderHeight`.
 * @property {?Option} currentColumnClassName Option `currentColumnClassName`.
 * @property {?Option} headerClassName Option `headerClassName`.
 * @property {?Option} onAfterDrawSelection Option `onAfterDrawSelection`.
 * @property {?Option} onAfterMomentumScroll Option `onAfterMomentumScroll`.
 * @property {?Option} onBeforeDrawBorders Option `onBeforeDrawBorders`.
 * @property {?Option} onBeforeTouchScroll Option `onBeforeTouchScroll`.
 * @property {?Option} onCellContextMenu Option `onCellContextMenu`.
 * @property {?Option} onCellCornerDblClick Option `onCellCornerDblClick`.
 * @property {?Option} onCellCornerMouseDown Option `onCellCornerMouseDown`.
 * @property {?Option} onCellDblClick Option `onCellDblClick`.
 * @property {?Option} onCellMouseDown Option `onCellMouseDown`.
 * @property {?Option} onCellMouseOut Option `onCellMouseOut`.
 * @property {?Option} onCellMouseOver Option `onCellMouseOver`.
 * @property {?Option} onCellMouseOverOutside Option `onCellMouseOverOutside`.
 * @property {?Option} onCellMouseUp Option `onCellMouseUp`.
 * @property {?Option} onDraw Option `onDraw`.
 * @property {?Option} onModifyGetCellCoords Option `onModifyGetCellCoords`.
 * @property {?Option} onModifyGetCoordsElement Option `onModifyGetCoordsElement`.
 * @property {?Option} onModifyGetCoords Option `onModifyGetCoords`.
 * @property {?Option} onModifyRowHeaderWidth Option `onModifyRowHeaderWidth`.
 * @property {?Option} onBeforeViewportScrollHorizontally Option `onBeforeViewportScrollHorizontally`.
 * @property {?Option} onBeforeViewportScrollVertically Option `onBeforeViewportScrollVertically`.
 * @property {?Option} onScrollHorizontally Option `onScrollHorizontally`.
 * @property {?Option} onScrollVertically Option `onScrollVertically`.
 * @property {?Option} onWindowResize Option `onWindowResize`.
 * @property {?Option} rowHeaderWidth Option `rowHeaderWidth`.
 * @property {?Option} selections Option `selections`.
 * @property {?Option} viewportColumnCalculatorOverride Option `viewportColumnCalculatorOverride`.
 * @property {?Option} viewportRowCalculatorOverride Option `viewportRowCalculatorOverride`.
 * @property {?Option} viewportColumnRenderingThreshold Option `viewportColumnRenderingThreshold`.
 * @property {?Option} viewportRowRenderingThreshold Option `viewportRowRenderingThreshold`.
 * @property {?Option} stylesHandler Option `stylesHandler`.
 */
/**
 * @template TValue.
 * @typedef { TValue | Array.<TValue> | (function(...*): TValue) } Option
 */
/**
 * @class Settings
 */
export default class Settings {
    /**
     * Reference to settings.
     *
     * @protected
     * @type {SettingsPure}
     */
    settings: Record<string, unknown>;
    /**
     * The defaults values of settings.
     * Void 0 means it is required, null means it can be empty.
     *
     * @public
     * @type {Readonly<SettingsPure>}
     */
    defaults: Record<string, unknown>;
    /**
     * @param {SettingsPure} settings The user defined settings.
     */
    constructor(settings: Record<string, unknown>);
    /**
     * Generate defaults for a settings.
     * Void 0 means it is required, null means it can be empty.
     *
     * @private
     * @returns {SettingsPure}
     */
    getDefaults(): Record<string, unknown>;
    /**
     * Update settings.
     *
     * @param {object|string} settings The singular settings to update or if passed as object to merge with.
     * @param {*} value The value to set if the first argument is passed as string.
     * @returns {Settings}
     */
    update(settings: string | Record<string, unknown>, value?: unknown): this;
    /**
     * Get setting by name.
     *
     * @param {$Keys<SettingsPure>} key The settings key to retrieve.
     * @param {*} [param1] Additional parameter passed to the options defined as function.
     * @param {*} [param2] Additional parameter passed to the options defined as function.
     * @param {*} [param3] Additional parameter passed to the options defined as function.
     * @param {*} [param4] Additional parameter passed to the options defined as function.
     * @returns {*}
     */
    getSetting(key: 'stylesHandler'): StylesHandler;
    getSetting(key: 'preventOverflow'): 'horizontal' | 'vertical' | false;
    getSetting(key: 'rtlMode'): boolean;
    getSetting(key: 'isDataViewInstance'): boolean;
    getSetting(key: 'fixedColumnsStart'): number;
    getSetting(key: 'fixedRowsTop'): number;
    getSetting(key: 'fixedRowsBottom'): number;
    getSetting(key: 'totalRows'): number | undefined;
    getSetting(key: 'totalColumns'): number | undefined;
    getSetting(key: 'rowHeaderWidth'): number | undefined;
    getSetting(key: 'defaultColumnWidth'): number | undefined;
    getSetting(key: 'viewportRowRenderingThreshold'): number | 'auto';
    getSetting(key: 'viewportColumnRenderingThreshold'): number | 'auto';
    getSetting<T = any>(key: string, param1?: any, param2?: unknown, param3?: unknown, param4?: unknown): T;
    /**
     * Get a setting value without any evaluation.
     *
     * @param {string} key The settings key to retrieve.
     * @returns {*}
     */
    getSettingPure<T = any>(key: string): T;
    /**
     * Checks if setting exists.
     *
     * @param {boolean} key The settings key to check.
     * @returns {boolean}
     */
    has(key: string): boolean;
}