import { Theme, ThemeBase } from './types';
/**
 * Deep merge two objects
 * @param target The target object
 * @param source The source object
 * @returns The merged object
 */
export declare function deepMerge<T extends Record<string, any>>(target: T, source: Partial<T>): T;
/**
 * Merge two jsons
 * @param parent The parent jsons
 * @param child The child jsons
 * @returns The merged jsons
 */
export declare function mergeThemes(parent: Theme, child: Theme): Theme;
/**
 * Merge two jsons bases
 * @param parentBase The parent jsons base
 * @param childBase The child jsons base
 * @returns The merged jsons base
 */
export declare function mergeThemeBase(parentBase: ThemeBase, childBase: Partial<ThemeBase>): ThemeBase;
/**
 * Merge two components objects
 * @param parentComponents The parent components
 * @param childComponents The child components
 * @returns The merged components
 */
export declare function mergeComponents(parentComponents: Record<string, any>, childComponents: Record<string, any>): Record<string, any>;
/**
 * Add prefix to class names
 * @param classes The class names
 * @param prefix The prefix
 * @returns The prefixed class names
 */
export declare function addPrefix(classes: string, prefix: string): string;
/**
 * Validate a jsons object
 * @param theme The jsons to validate
 * @returns Whether the jsons is valid
 */
export declare function validateTheme(theme: any): boolean;