export interface HttpTestConfig {
    timeouts: {
        serverCheck: number;
        request: number;
        response: number;
    };
    security: {
        rejectUnauthorized: boolean;
        allowInsecureConnections: boolean;
    };
    retries: {
        maxAttempts: number;
        backoffMultiplier: number;
        initialDelay: number;
    };
    logging: {
        level: 'silent' | 'error' | 'warn' | 'info' | 'verbose';
        colorOutput: boolean;
    };
    performance: {
        maxConcurrentRequests: number;
        requestBufferSize: number;
    };
}
export declare const defaultConfig: HttpTestConfig;
export declare function loadConfig(customConfig?: Partial<HttpTestConfig>): HttpTestConfig;
export declare function validateConfig(config: HttpTestConfig): string[];