import { Effect } from 'effect';
import type { MCPServerRegistry } from './registry';
import type { MCPResource } from './types';
/**
 * Resource content type
 */
export type ResourceContent = {
    contents: Array<{
        uri: string;
        mimeType?: string;
        text?: string;
        blob?: string;
    }>;
};
/**
 * Service for accessing MCP server resources.
 *
 * Provides:
 * - List resources from a specific server
 * - Read resource contents from a specific server
 * - List resources from all registered servers
 * - Graceful handling of disconnected servers
 */
export declare class MCPResourceService {
    private registry;
    constructor(registry: MCPServerRegistry);
    /**
     * List resources from a specific server.
     *
     * @param serverId - Server identifier
     * @returns Effect providing array of resources
     * @throws Error if server not found
     */
    listResources(serverId: string): Effect.Effect<MCPResource[], Error>;
    /**
     * Read resource contents from a specific server.
     *
     * @param serverId - Server identifier
     * @param uri - Resource URI
     * @returns Effect providing resource contents
     * @throws Error if server not found or not connected
     */
    readResource(serverId: string, uri: string): Effect.Effect<ResourceContent, Error>;
    /**
     * List resources from all registered servers.
     *
     * Skips disconnected or error servers with warning logs.
     *
     * @returns Effect providing Map of server ID to resources array
     */
    listAllResources(): Effect.Effect<Map<string, MCPResource[]>, never>;
}
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