export declare function buildTheme<T, U>(inital: T): {
    rgba: () => U;
    getBackup: () => T;
    setTheme: (theme: Partial<T>) => void;
    proxy: any;
};
export declare function rgba_colors(obj: {
    [key: string]: any;
}): {
    [key: string]: any;
};
export declare function merge(target: {
    [key: string]: any;
}, source: {
    [key: string]: any;
}): void;
export declare const clone: (obj: any) => any;