/// <reference types="node" />
/// <reference types="node" />
import { PerformanceEntry } from 'perf_hooks';
import { BasketryError, FileStatus, Violation } from './types';
export declare function readStreamToString(stream: NodeJS.ReadStream): Promise<string>;
export declare function bold(message: string): void;
export declare function info(...text: unknown[]): string;
export declare function warning(...text: unknown[]): string;
export declare function error(...lines: string[]): void;
export declare function printViolation(violation: Violation, line: string): void;
export declare function printPerformance(events: PerformanceEntry[]): void;
export declare function printError(e: BasketryError): void;
export declare function printErrors(errors: BasketryError[]): void;
export declare function printFiles(files: Record<string, FileStatus>): void;
export declare function validateConfig(service: any): boolean;