import { CrtrError } from './errors.js';
export declare const stdoutColor: {
    dim: (s: string) => string;
    bold: (s: string) => string;
    red: (s: string) => string;
    green: (s: string) => string;
    yellow: (s: string) => string;
    blue: (s: string) => string;
    cyan: (s: string) => string;
    gray: (s: string) => string;
};
export declare const stderrColor: {
    dim: (s: string) => string;
    bold: (s: string) => string;
    red: (s: string) => string;
    green: (s: string) => string;
    yellow: (s: string) => string;
    blue: (s: string) => string;
    cyan: (s: string) => string;
    gray: (s: string) => string;
};
export declare function out(line: string): void;
export declare function err(line: string): void;
export declare function hint(line: string): void;
export declare function warn(line: string): void;
export declare function info(line: string): void;
export declare function jsonOut(obj: unknown): void;
export declare function jsonError(error: CrtrError | Error): void;
export declare function isTTY(): boolean;
export declare function isJsonRequested(opts: {
    json?: boolean;
} | undefined): boolean;
export declare function handleError(error: unknown, opts?: {
    json?: boolean;
}): never;