import { Optional } from '../util';
import { BaseForLines, IGameCode } from './BaseForLines';
import { IGameNode } from './game';
export declare class RGB {
    readonly r: number;
    readonly g: number;
    readonly b: number;
    readonly a: Optional<number>;
    constructor(r: number, g: number, b: number, a: Optional<number>);
    isDark(): boolean;
}
export interface IColor extends IGameNode {
    isTransparent: () => boolean;
    hasAlpha: () => boolean;
    toRgb: () => RGB;
    toHex: () => string;
}
export declare class HexColor extends BaseForLines implements IColor {
    private hex;
    constructor(source: IGameCode, hex: string);
    isTransparent(): boolean;
    hasAlpha(): boolean;
    toRgb(): RGB;
    toHex(): string;
}
export declare class TransparentColor extends BaseForLines implements IColor {
    constructor(source: IGameCode);
    isTransparent(): boolean;
    hasAlpha(): boolean;
    toRgb(): RGB;
    toHex(): string;
}
export declare function hexToRgb(hex: string): RGB;