import { type UnSubscriber } from "../handlers/mod.js";
import type { Color as IColor, UIColors as IUIColors } from "../../gen/types/mod.js";
export declare class UIColors {
    inner: IUIColors;
    constructor(inner: IUIColors);
    static getAsync(): Promise<UIColors>;
    static onChange(cb: (payload: UIColors) => void): Promise<UnSubscriber>;
    static default(): UIColors;
    setAsCssVariables(): void;
}
export interface Color extends IColor {
}
export declare class Color {
    constructor(obj: IColor);
    /** generates a random solid color */
    static random(): Color;
    static fromHex(hex: string): Color;
    toHexString(): string;
    private getRuntimeStyleSheet;
    private insertIntoStyleSheet;
    /**
     * @param name the name of the color
     * the name will be parsed to lower kebab case and remove non-alphanumeric characters
     * this will create some css variables as:\
     * `--color-{name}` -> #RRGGBBAA\
     * `--color-{name}-rgb` -> R, G, B
     * `--color-{name}-rgba` -> R, G, B, A
     */
    setAsCssVariable(name: string): void;
    /**
     * https://stackoverflow.com/questions/596216/formula-to-determine-perceived-brightness-of-rgb-color
     *
     * @param accuracy if true will use an expensive but more accurate algorithm
     * @returns a number between 0 and 255
     */
    calcLuminance(accuracy?: boolean): number;
    complementary(): Color;
}
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