import { type Express, type RequestHandler } from "express";
import type { TollgateConfig } from "./config.js";
import { type PaymentLayer } from "./payment.js";
import type { McpPaymentLayer } from "./mcp/payment.js";
import { type GasFloorService } from "./gas-floor.js";
export interface AppOptions {
    config?: TollgateConfig;
    /** Inject HTTP payment layer (tests). When omitted, built from config. */
    paymentLayer?: PaymentLayer;
    /** Inject MCP payment layer (tests). */
    mcpPaymentLayer?: McpPaymentLayer;
    /** Inject upstream handler (tests). */
    upstreamHandler?: RequestHandler;
    /** Inject paid GET /v1/fetch-md handler (tests). */
    fetchMdHandler?: RequestHandler;
    /** Skip mounting MCP transports (unit tests that only need HTTP). */
    disableMcp?: boolean;
    /** Inject gas-floor service (tests). */
    gasFloor?: GasFloorService;
}
export interface CreatedApp {
    app: Express;
    config: TollgateConfig;
    payment: PaymentLayer;
    mcpPayment?: McpPaymentLayer;
    publicDir: string;
    gasFloor: GasFloorService;
}
export declare function createApp(options?: AppOptions): Promise<CreatedApp>;