import { Client } from '@modelcontextprotocol/sdk/client/index.js';
import { StreamableHTTPClientTransport } from '@modelcontextprotocol/sdk/client/streamableHttp.js';

/** @internal - overrideable constructors for testing */
interface MeshClientDeps {
    Client: typeof Client;
    Transport: typeof StreamableHTTPClientTransport;
}
declare function createMeshClient<T extends ToolMap>(opts: MeshClientOptions, 
/** @internal */ _deps?: Partial<MeshClientDeps>): MeshClient<T>;

type ToolMap = Record<string, {
    input: unknown;
    output: unknown;
}>;
type MeshClientInstance<T extends ToolMap> = {
    [K in keyof T]: (input: T[K]["input"]) => Promise<T[K]["output"]>;
};
type MeshClient<T extends ToolMap> = MeshClientInstance<T> & {
    /** Close the underlying MCP connection and reset it so the next call reconnects. */
    close(): Promise<void>;
};
interface MeshClientOptions {
    mcpId: string;
    /** Falls back to process.env.MESH_API_KEY */
    apiKey?: string;
    /** Falls back to https://studio.decocms.com */
    baseUrl?: string;
}

export { type MeshClient, type MeshClientInstance, type MeshClientOptions, type ToolMap, createMeshClient };