import { ConfigService } from './providers/config.service';
/**
 * Built-in ConfigPlugin for environment variable management.
 *
 * Provides typed access to configuration with convict-style nested path support.
 * Loads from .env files, YAML config files, and validates with Zod schemas.
 *
 * @example
 * ```typescript
 * import { FrontMcp, App, ConfigPlugin } from '@frontmcp/sdk';
 * import { z } from '@frontmcp/lazy-zod';
 *
 * // Define configuration schema
 * const configSchema = z.object({
 *   database: z.object({
 *     url: z.string().describe('Database URL'),
 *     port: z.number().default(5432).describe('Database port'),
 *   }),
 *   debug: z.boolean().default(false),
 * });
 *
 * @FrontMcp({
 *   plugins: [
 *     ConfigPlugin.init({
 *       schema: configSchema,
 *       basePath: __dirname,
 *     }),
 *   ],
 * })
 * class MyServer {}
 *
 * // In tools:
 * class MyTool extends ToolContext {
 *   async execute(input) {
 *     // Typed access with dot notation
 *     const dbUrl = this.config.getOrThrow('database.url');
 *     const port = this.config.get('database.port', 5432);
 *   }
 * }
 * ```
 *
 * @packageDocumentation
 */
export { default as ConfigPlugin } from './config.plugin';
export type { ConfigPluginOptions, ConfigPluginOptionsInput, ParsedEnvConfig } from './config.types';
export { ConfigService, ConfigMissingError, ConfigValidationError } from './providers/config.service';
export { loadConfig, deepMerge } from './providers/config-loader';
export type { ConfigLoaderOptions } from './providers/config-loader';
export { loadEnvFiles, parseEnvContent, parseEnvContentSync, populateProcessEnv, pathToEnvKey, setNestedValue, getNestedValue, extractSchemaPaths, mapEnvToNestedConfig, } from './providers/env-loader';
export { ConfigPluginConfigToken } from './config.symbols';
export { normalizeNameForEnv, normalizePathSegment, generateFallbacks, generateEnvFallbacks, resolveWithFallbacks, createContextResolver, createDirectResolver, } from './config-resolver';
export type { ConfigEntityType, ConfigResolutionContext, ConfigResolver } from './config-resolver';
/**
 * Get the ConfigService from an execution context.
 * Alternative to `this.config` for explicit function-style access.
 *
 * @throws Error if ConfigPlugin is not installed
 */
export declare function getConfig<T extends {
    get: (token: unknown) => unknown;
}>(ctx: T): ConfigService;
/**
 * Try to get the ConfigService, returning undefined if not available.
 * Use this for graceful degradation when the plugin might not be installed.
 */
export declare function tryGetConfig<T extends {
    tryGet?: (token: unknown) => unknown;
}>(ctx: T): ConfigService | undefined;
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