/**
 * MCP Configuration Module
 *
 * Loads and validates configuration from environment variables for
 * the SpecForge MCP server.
 */
/**
 * MCP Server configuration
 */
export interface McpConfig {
    /** API key for authentication (format: sf_live_*) */
    apiKey: string;
    /** API Gateway URL for the SpecForge backend */
    apiUrl: string;
    /** Enable debug logging */
    debug: boolean;
}
/**
 * Environment variable names
 */
export declare const ENV_VARS: {
    readonly API_KEY: "SPECFORGE_API_KEY";
    readonly API_URL: "SPECFORGE_API_URL";
    readonly DEBUG: "SPECFORGE_DEBUG";
};
/**
 * Load configuration from environment variables
 *
 * @throws {Error} If required environment variables are missing
 * @returns {McpConfig} Loaded configuration
 *
 * @example
 * ```typescript
 * const config = loadConfig();
 * console.log(config.apiUrl);
 * ```
 */
export declare function loadConfig(): McpConfig;
/**
 * Validate configuration values
 *
 * @param config - Configuration to validate
 * @throws {Error} If configuration is invalid
 *
 * @example
 * ```typescript
 * const config = loadConfig();
 * validateConfig(config); // Throws if invalid
 * ```
 */
export declare function validateConfig(config: McpConfig): void;
/**
 * Load and validate configuration in one step
 *
 * @throws {Error} If configuration is missing or invalid
 * @returns {McpConfig} Validated configuration
 *
 * @example
 * ```typescript
 * const config = getConfig();
 * // Configuration is guaranteed to be valid
 * ```
 */
export declare function getConfig(): McpConfig;
/**
 * Check if configuration is available without throwing
 *
 * @returns {boolean} True if all required environment variables are set
 */
export declare function isConfigured(): boolean;
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