import { x402ResourceServer } from "@x402/core/server";
import { MCP_PAYMENT_META_KEY, MCP_PAYMENT_RESPONSE_META_KEY, type PaymentWrappedHandler, type MCPToolCallback, type PaymentRequirements } from "@x402/mcp";
import type { TollgateConfig } from "../config.js";
export interface McpPaymentLayer {
    mode: "live" | "demo";
    resourceServer: x402ResourceServer;
    accepts: PaymentRequirements[];
    payTo: string;
    publicMcpUrl: string;
    /** Wrap a tool handler with verify+settle (live) or demo payment meta. */
    wrapPaid: <TArgs extends Record<string, unknown>>(toolName: string, description: string, handler: PaymentWrappedHandler<TArgs>) => MCPToolCallback<TArgs>;
}
/**
 * Creates the MCP-side x402 payment layer.
 * Builds one accept per config.accepts entry (multi-network / multi-asset).
 */
export declare function createMcpPaymentLayer(config: TollgateConfig): Promise<McpPaymentLayer>;
export { MCP_PAYMENT_META_KEY, MCP_PAYMENT_RESPONSE_META_KEY };
/** Build a demo payment payload that the demo facilitator will accept. */
export declare function buildDemoPaymentPayload(toolName: string, accepts: PaymentRequirements[], publicMcpUrl?: string): Record<string, unknown>;