import { StitchConfig, StitchToolClientSpec, VirtualToolDefinition } from "./spec/client.js";
/**
 * Authenticated tool pipe for the Stitch MCP Server.
 *
 * Designed for agents and orchestration scripts that forward JSON payloads
 * to MCP tools. Handles auth injection via the transport layer (not global fetch).
 *
 * Usage:
 *   const client = new StitchToolClient();          // reads STITCH_API_KEY from env
 *   const result = await client.callTool("generate_screen_from_text", { ... });
 */
export declare class StitchToolClient implements StitchToolClientSpec {
    name: "stitch-tool-client";
    description: "Authenticated tool pipe for Stitch MCP Server";
    private client;
    private transport;
    private config;
    private isConnected;
    private connectPromise;
    private localVirtualTools;
    constructor(inputConfig?: Partial<StitchConfig> & {
        localVirtualTools?: VirtualToolDefinition[];
    });
    /**
     * Build auth headers based on config (API key or OAuth).
     */
    private buildAuthHeaders;
    private parseToolResponse;
    connect(): Promise<void>;
    private doConnect;
    /**
     * Generic tool caller with type support and error parsing.
     */
    callTool<T>(name: string, args: Record<string, any>): Promise<T>;
    /**
     * Make a direct REST POST to the Stitch API.
     *
     * Used for endpoints not available as MCP tools (e.g. BatchCreateScreens).
     * Reuses the same auth headers as callTool — both API key and OAuth Bearer
     * token are supported by all current REST POST endpoints.
     *
     * Throws StitchError on HTTP errors. Common failure modes:
     *   - 401 CREDENTIALS_MISSING → the API key was empty (source .env first)
     *   - 403 PERMISSION_DENIED   → the key doesn't own the target project
     *   Neither means "API keys are unsupported." See upload-handler.ts for full context.
     */
    httpPost<T>(path: string, body: unknown): Promise<T>;
    listTools(): Promise<{
        tools: any[];
    }>;
    close(): Promise<void>;
}
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