import type { NextFunction, Request, Response } from 'express';
/**
 * Handler function type for HTTP routes
 */
export type RouteHandler = (req: Request, res: Response, next?: NextFunction) => void | Promise<void>;
/**
 * Interface for Express-like HTTP application
 * Allows injection of external HTTP server into v2 MCP servers
 *
 * This enables integration with existing Express/CDS/CAP servers
 * without creating a separate HTTP server instance
 */
export interface IHttpApplication {
    /**
     * Register GET route handler
     */
    get(path: string, handler: RouteHandler): void;
    /**
     * Register POST route handler
     */
    post(path: string, handler: RouteHandler): void;
    /**
     * Register handler for all HTTP methods
     */
    all(path: string, handler: RouteHandler): void;
    /**
     * Register middleware (optional - not all apps support this)
     */
    use?(path: string | RouteHandler, handler?: RouteHandler): void;
}
/**
 * Options for route registration on external app
 */
export interface RouteRegistrationOptions {
    /**
     * Whether to add express.json() middleware for the routes
     * Set to false if the external app already has JSON parsing middleware
     * @default true for standalone, false for external app
     */
    addJsonMiddleware?: boolean;
}
//# sourceMappingURL=IHttpApplication.d.ts.map