import { Client } from '@modelcontextprotocol/sdk/client/index.js';
import { CustomClient } from './CustomClient';
import { CallToolResult, ESTool, MCPToolParams, ToolCallParams } from './type';
export * from './CallToolResultSchema';
export * from './CustomClient';
export * from './type';
type OptionType = {
    servers: {
        name: string;
        url: string;
    }[];
    custom_tools: ESTool[];
};
export declare class MCPClients {
    private _clients;
    constructor();
    isInitialized: boolean;
    initialize(option?: OptionType): Promise<void>;
    registerCustomTool(tool: ESTool): void;
    listTools(): Promise<MCPToolParams[]>;
    getTool(name: string): Promise<CustomClient | Client<{
        method: string;
        params?: {
            [x: string]: unknown;
            _meta?: {
                [x: string]: unknown;
                progressToken?: string | number | undefined;
                "io.modelcontextprotocol/related-task"?: {
                    taskId: string;
                } | undefined;
            } | undefined;
        } | undefined;
    }, {
        method: string;
        params?: {
            [x: string]: unknown;
            _meta?: {
                [x: string]: unknown;
                progressToken?: string | number | undefined;
                "io.modelcontextprotocol/related-task"?: {
                    taskId: string;
                } | undefined;
            } | undefined;
        } | undefined;
    }, {
        [x: string]: unknown;
        _meta?: {
            [x: string]: unknown;
            progressToken?: string | number | undefined;
            "io.modelcontextprotocol/related-task"?: {
                taskId: string;
            } | undefined;
        } | undefined;
    }> | null>;
    callTool(params: ToolCallParams): Promise<CallToolResult | null>;
    groupTools(): Promise<{
        group: string;
        tools: MCPToolParams[];
    }[]>;
}