import * as z from "zod";
/**
 * Transport type for MCP server connection
 */
export type MCPTransport = "stdio" | "sse";
/**
 * Base MCP server configuration
 */
export interface MCPServerConfig {
    /** Unique server identifier/name */
    name: string;
    /** Transport protocol */
    transport: MCPTransport;
    /** Optional default timeout in milliseconds for MCP tool calls */
    defaultToolTimeout?: number;
}
/**
 * Stdio transport configuration (for local subprocess)
 */
export interface MCPStdioConfig extends MCPServerConfig {
    transport: "stdio";
    /** Command to execute (e.g., "node", "python") */
    command: string;
    /** Command arguments (e.g., ["/path/to/server.js"]) */
    args?: string[];
    /** Environment variables for the subprocess */
    env?: Record<string, string>;
}
/**
 * SSE transport configuration (for HTTP/remote servers)
 */
export interface MCPSSEConfig extends MCPServerConfig {
    transport: "sse";
    /** Server URL (e.g., "http://localhost:8000/mcp") */
    url: string;
    /** Optional headers for authentication */
    headers?: Record<string, string>;
}
/**
 * Union type for all MCP server configurations
 */
export type MCPServerConfiguration = MCPStdioConfig | MCPSSEConfig;
/**
 * Container for multiple MCP servers
 */
export interface MCPServersConfig {
    /** List of MCP server configurations */
    servers?: MCPServerConfiguration[];
}
/**
 * Zod schema for Stdio transport configuration
 */
export declare const MCPStdioConfigSchema: z.ZodObject<{
    name: z.ZodString;
    transport: z.ZodLiteral<"stdio">;
    defaultToolTimeout: z.ZodOptional<z.ZodNumber>;
    command: z.ZodString;
    args: z.ZodOptional<z.ZodArray<z.ZodString>>;
    env: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodString>>;
}, z.core.$strip>;
/**
 * Zod schema for SSE transport configuration
 */
export declare const MCPSSEConfigSchema: z.ZodObject<{
    name: z.ZodString;
    transport: z.ZodLiteral<"sse">;
    defaultToolTimeout: z.ZodOptional<z.ZodNumber>;
    url: z.ZodString;
    headers: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodString>>;
}, z.core.$strip>;
/**
 * Zod schema for MCP server configuration (discriminated union)
 */
export declare const MCPServerConfigSchema: z.ZodUnion<readonly [z.ZodObject<{
    name: z.ZodString;
    transport: z.ZodLiteral<"stdio">;
    defaultToolTimeout: z.ZodOptional<z.ZodNumber>;
    command: z.ZodString;
    args: z.ZodOptional<z.ZodArray<z.ZodString>>;
    env: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodString>>;
}, z.core.$strip>, z.ZodObject<{
    name: z.ZodString;
    transport: z.ZodLiteral<"sse">;
    defaultToolTimeout: z.ZodOptional<z.ZodNumber>;
    url: z.ZodString;
    headers: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodString>>;
}, z.core.$strip>]>;
/**
 * Zod schema for MCP servers configuration container
 */
export declare const MCPServersConfigSchema: z.ZodObject<{
    servers: z.ZodOptional<z.ZodArray<z.ZodUnion<readonly [z.ZodObject<{
        name: z.ZodString;
        transport: z.ZodLiteral<"stdio">;
        defaultToolTimeout: z.ZodOptional<z.ZodNumber>;
        command: z.ZodString;
        args: z.ZodOptional<z.ZodArray<z.ZodString>>;
        env: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodString>>;
    }, z.core.$strip>, z.ZodObject<{
        name: z.ZodString;
        transport: z.ZodLiteral<"sse">;
        defaultToolTimeout: z.ZodOptional<z.ZodNumber>;
        url: z.ZodString;
        headers: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodString>>;
    }, z.core.$strip>]>>>;
}, z.core.$strip>;
export type MCPServersConfigType = z.infer<typeof MCPServersConfigSchema>;
/**
 * Validate MCP server configuration
 */
export declare function validateMCPConfig(config: unknown): {
    success: boolean;
    data?: MCPServersConfigType;
    error?: string;
};