import { type ProxyConfig } from './types.js';
export interface ProxyProcessEnvOptions extends Partial<ProxyConfig> {
    logLevel?: string;
}
export declare function createProxyConfig(overrides?: Partial<ProxyConfig>): ProxyConfig;
export declare function readProxyConfigFromEnv(env?: NodeJS.ProcessEnv): ProxyConfig;
export declare function createProxyProcessEnv(overrides: Partial<ProxyConfig>, options?: ProxyProcessEnvOptions): Record<string, string>;
export declare function validateProxyConfig(config: ProxyConfig): string[];