import type { VuesaxColor } from 'vuesax-plus/es/constants'; export declare const isColorDark: (color?: string | boolean | undefined) => boolean; export declare const isVsColor: (color: VuesaxColor) => boolean; export declare const hexToRgb: (color: string) => { r: number; g: number; b: number; } | null; export declare const getVsColor: (color: string) => string; export declare const setVsCssVar: (propertyName: string, value: string, el?: HTMLElement | undefined) => void;