export declare const DEFAULT_LICENSE_KEY = "internal-use-in-handsontable";
export declare const DEFAULT_SETTINGS: {
    licenseKey: string;
    useArrayArithmetic: boolean;
    useColumnIndex: boolean;
    useStats: boolean;
    evaluateNullToZero: boolean;
    precisionEpsilon: number;
    precisionRounding: number;
    smartRounding: boolean;
    leapYear1900: boolean;
    nullDate: {
        year: number;
        month: number;
        day: number;
    };
    nullYear: number;
    dateFormats: string[];
    timeFormats: string[];
    matchWholeCell: boolean;
    useRegularExpressions: boolean;
    useWildcards: boolean;
    functionArgSeparator: string;
    thousandSeparator: string;
    decimalSeparator: string;
    language: string;
};
/**
 * Gets a set of engine settings to be applied on top of the provided settings, based on user's Handsontable settings.
 *
 * @param {object} hotSettings Handsontable settings object.
 * @returns {object} Object containing the overriding options.
 */
export declare function getEngineSettingsOverrides(hotSettings: Record<string, unknown>): {
    maxColumns: unknown;
    maxRows: unknown;
    language: unknown;
};
/**
 * Takes the default, user and overriding settings and merges them into a single object to be passed to the engine.
 *
 * The final object gets its parameters in the following order,
 * with properties attached to objects listed in the lower levels of the list overriding the
 * ones above them:
 *
 * 1. Default settings
 * 2. User settings
 * 3. Overrides.
 *
 * Meant to be used during *initialization* of the engine.
 *
 * @param {object} hotSettings The Handsontable settings.
 * @returns {object} The final engine settings.
 */
export declare function getEngineSettingsWithDefaultsAndOverrides(hotSettings: Record<string, unknown>): {
    maxColumns: unknown;
    maxRows: unknown;
    language: unknown;
    licenseKey: string;
    useArrayArithmetic: boolean;
    useColumnIndex: boolean;
    useStats: boolean;
    evaluateNullToZero: boolean;
    precisionEpsilon: number;
    precisionRounding: number;
    smartRounding: boolean;
    leapYear1900: boolean;
    nullDate: {
        year: number;
        month: number;
        day: number;
    };
    nullYear: number;
    dateFormats: string[];
    timeFormats: string[];
    matchWholeCell: boolean;
    useRegularExpressions: boolean;
    useWildcards: boolean;
    functionArgSeparator: string;
    thousandSeparator: string;
    decimalSeparator: string;
};
/**
 * Get engine settings from a Handsontable settings object with overrides.
 *
 * @param {object} hotSettings Handsontable settings object.
 * @returns {object}
 */
export declare function getEngineSettingsWithOverrides(hotSettings: Record<string, unknown>): {
    maxColumns: unknown;
    maxRows: unknown;
    language: unknown;
};
/**
 * Check if the new settings are defined and are different from the ones currently used by the engine.
 *
 * @param {object} currentEngineSettings Currently used engine settings.
 * @param {object} newEngineSettings New engine settings.
 * @returns {boolean}
 */
export declare function haveEngineSettingsChanged(currentEngineSettings: Record<string, unknown>, newEngineSettings: Record<string, unknown>): boolean;