type Prefix = string | (() => string); export declare class Color { color: string; prefix: Prefix; private disabled; constructor(color: string, prefix?: Prefix); log(message: string): void; disable(): void; } export declare class Blue extends Color { constructor(prefix?: Prefix); } export declare class Green extends Color { constructor(prefix?: Prefix); } export declare class Red extends Color { constructor(prefix?: Prefix); } export declare class Yellow extends Color { constructor(prefix?: Prefix); } export declare class Black extends Color { constructor(prefix?: Prefix); } export declare class White extends Color { constructor(prefix?: Prefix); } export {};