import { WordPressClient } from "../client/api.js";
import { type SiteType as SiteConfig, type MultiSiteConfigType as MultiSiteConfig, type McpConfigType } from "./ConfigurationSchema.js";
export type { SiteConfig, MultiSiteConfig, McpConfigType };
/**
 * Configuration loader for MCP WordPress Server
 * Handles both single-site (environment variables) and multi-site (JSON config) modes
 */
export declare class ServerConfiguration {
    private static instance;
    private readonly logger;
    private rootDir;
    private envPath;
    constructor();
    /**
     * Get singleton instance of ServerConfiguration
     */
    static getInstance(): ServerConfiguration;
    /**
     * Load WordPress client configurations
     * Returns a Map of site ID to WordPressClient instances
     */
    loadClientConfigurations(mcpConfig?: McpConfigType): Promise<{
        clients: Map<string, WordPressClient>;
        configs: SiteConfig[];
    }>;
    /**
     * Returns false only when the multi-site config file is absent (ENOENT).
     * Any other access error (permission denied, etc.) is fatal: it is logged
     * and rethrown so startup fails loudly instead of silently degrading to
     * single-site mode with the wrong site's credentials.
     */
    private multiSiteConfigFileExists;
    /**
     * Load multi-site configuration from JSON file
     */
    private loadMultiSiteConfig;
    /**
     * Check if we're in CI environment
     */
    private isCIEnvironment;
    /**
     * Create mock configuration for CI environments
     */
    private createMockConfiguration;
    /**
     * Load single-site configuration from environment variables
     */
    private loadSingleSiteFromEnv;
    /**
     * Get root directory path
     */
    getRootDir(): string;
}
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