/// <reference types="node" />
import { Writable } from 'node:stream';
export interface ILogger {
    debug: (message?: any, ...optionalParams: any[]) => void;
    error: (message?: any, ...optionalParams: any[]) => void;
    warn: (message?: any, ...optionalParams: any[]) => void;
}
/**
 * Contextual data about the project environment
 * @public
 */
export interface IRunEnvironment {
    /**
     * Working directory for the project
     * @default process.cwd()
     */
    cwd?: string;
    /**
     * Writable stream where the test run's main formatter output is written
     * @default process.stdout
     */
    stdout?: Writable;
    /**
     * Writable stream where the test run's warning/error output is written
     * @default process.stderr
     */
    stderr?: Writable;
    /**
     * Environment variables
     * @default process.env
     */
    env?: Record<string, string | undefined>;
    /**
     * Whether debug logging should be emitted to {@link IRunEnvironment.stderr}
     * @default false
     * @see {@link https://github.com/cucumber/cucumber-js/blob/main/docs/debugging.md}
     */
    debug?: boolean;
}
export type UsableEnvironment = Required<IRunEnvironment> & {
    logger: ILogger;
};