/**
 * Configuration loader for YAML test files and JSON server config
 */
import type { TestConfig, ServerConfig } from '../core/types.js';
export declare class ConfigLoader {
    private static ajv;
    /**
     * Load test configuration from YAML file
     */
    static loadTestConfig(filePath: string): TestConfig;
    /**
     * Load MCP server configuration from JSON file
     */
    static loadServerConfig(filePath: string, serverName?: string): ServerConfig;
    private static resolvePath;
    private static readFile;
    private static isYamlFile;
    /**
     * Validate configuration using JSON Schema with helpful error messages
     */
    private static validateWithSchema;
    private static readonly ENV_VAR_PATTERN;
    private static replaceEnvironmentVariables;
}