import { ServerOptions } from '@modelcontextprotocol/sdk/server/index.js';
import { McpServer, ToolCallback, RegisteredTool } from '@modelcontextprotocol/sdk/server/mcp.js';
import { Implementation, ToolAnnotations } from '@modelcontextprotocol/sdk/types.js';
import { ZodRawShape } from 'zod';

/**
 * Options for a paid tool.
 */
type PaymentOptions = {
    /**
     * The price of the tool in the given asset.
     */
    price: number;
    /**
     * The recipient of the payment.
     */
    recipient: string;
    /**
     * The asset to use for the tool.
     */
    asset?: string;
    /**
     * The network to settle the payment on.
     */
    network?: number | string;
};
type PayflowOptions = {
    x402?: {
        /**
         * The version of the x402 protocol to use.
         */
        version?: number;
        /**
         * The API key ID for the Coinbase X402 facilitator.
         */
        keyId?: string;
        /**
         * The API key secret for the Coinbase X402 facilitator.
         */
        keySecret?: string;
    };
};
type PayflowMcpServerOptions = ServerOptions & PayflowOptions;
/**
 * An extended MCP server that supports paid tools.
 */
declare class PayflowMcpServer extends McpServer {
    private readonly log;
    private readonly options;
    private readonly verify;
    private readonly settle;
    /**
     * Creates a new PayflowMcpServer instance.
     *
     * @param serverInfo - The server implementation details including name and version
     * @param options - Optional configuration for the server including x402 payment settings
     *
     * @example
     * ```typescript
     * const server = new PayflowMcpServer({
     *   name: 'my-paid-server',
     *   version: '1.0.0'
     * }, {
     *   x402: {
     *     version: 1,
     *     keyId: 'your-api-key-id',
     *     keySecret: 'your-api-key-secret'
     *   }
     * });
     * ```
     */
    constructor(serverInfo: Implementation, options?: PayflowMcpServerOptions);
    private generateRequirements;
    private verifyPayment;
    private settlePayment;
    private createPaidCallback;
    paidTool(name: string, options: PaymentOptions, cb: ToolCallback): RegisteredTool;
    paidTool(name: string, description: string, options: PaymentOptions, cb: ToolCallback): RegisteredTool;
    paidTool<Args extends ZodRawShape>(name: string, options: PaymentOptions, paramsSchema: Args, cb: ToolCallback<Args>): RegisteredTool;
    paidTool<Args extends ZodRawShape>(name: string, description: string, options: PaymentOptions, paramsSchema: Args, cb: ToolCallback<Args>): RegisteredTool;
    paidTool<Args extends ZodRawShape>(name: string, options: PaymentOptions, paramsSchema: Args, annotations: ToolAnnotations, cb: ToolCallback<Args>): RegisteredTool;
    paidTool<Args extends ZodRawShape>(name: string, description: string, options: PaymentOptions, paramsSchema: Args, annotations: ToolAnnotations, cb: ToolCallback<Args>): RegisteredTool;
    private isZodRawShape;
    private isZodTypeLike;
}

export { PayflowMcpServer, type PayflowMcpServerOptions, type PaymentOptions };