import type { ServerConfig, AttachOptions, ServiceStatus } from './types.js';
/**
 * Unified service for managing DuckDB MCP servers and clients
 * Provides high-level API for server management and resource attachment
 */
export declare class DuckDBMcpNativeService {
    private servers;
    private clients;
    private mappers;
    private readonly resourceCache;
    constructor();
    /**
     * Start an MCP server with the given name and configuration
     */
    startServer(name: string, config?: ServerConfig): Promise<void>;
    /**
     * Stop and remove an MCP server
     */
    stopServer(name: string): Promise<void>;
    /**
     * Attach to an external MCP server and map its resources
     */
    attachMCP(url: string, alias: string, options?: AttachOptions): Promise<unknown[]>;
    /**
     * Detach from an MCP server
     */
    detachMCP(alias: string): Promise<void>;
    /**
     * Create a virtual table from an MCP resource
     */
    createVirtualTable(alias: string, resourceUri: string, tableName?: string): Promise<void>;
    /**
     * Call a tool on a connected MCP server
     */
    callTool(alias: string, toolName: string, args: unknown): Promise<unknown>;
    /**
     * Get the status of all servers and clients
     */
    getStatus(): ServiceStatus;
    /**
     * Clear the resource cache
     */
    clearCache(): void;
    /**
     * Get a list of active server names
     */
    getServerNames(): string[];
    /**
     * Get a list of active client aliases
     */
    getClientAliases(): string[];
    /**
     * Get resources for a specific client
     */
    getClientResources(alias: string): Promise<unknown[]>;
    /**
     * Get tools for a specific client
     */
    getClientTools(alias: string): Promise<unknown[]>;
}
/**
 * Get or create the singleton service instance
 */
export declare function getDuckDBMcpNativeService(): DuckDBMcpNativeService;
/**
 * Create a new service instance (non-singleton)
 */
export declare function createDuckDBMcpNativeService(): DuckDBMcpNativeService;
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