import { ThemeConfig } from "../types";
export declare const deepMergeObjects: (defaultValue: unknown, customValue: unknown) => unknown;
/**
 * Merges two theme configurations with this priority:
 *
 * 1. Values will be picked up first from the `defaultThemeConfig` and
 *    then from the `customizedThemeConfig`.
 *    This means that if a value is set in the customized theme, it will 'override' the default.
 * 2. Null values in `customizedThemeConfig` the will override the default with `null`,
 *    while undefined values will be ignored.
 * 3. Objects will be merged recursively.
 *    All other values, esp. Arrays, will not be merged.
 *
 * @param defaultThemeConfig
 * @param customizedThemeConfig
 * @returns
 */
export declare const mergeUnifiedThemeOptions: (defaultThemeConfig: ThemeConfig, customizedThemeConfig: ThemeConfig) => ThemeConfig;