/**
 * Known facilitator registry
 */
export declare const KNOWN_FACILITATORS: {
    readonly cdp: "https://api.cdp.coinbase.com/platform/v2/x402";
    readonly payai: "https://facilitator.payai.network";
};
export type KnownFacilitatorName = keyof typeof KNOWN_FACILITATORS;
export declare const DEFAULT_FACILITATOR: KnownFacilitatorName;
/**
 * Supported networks for x402 payment protocol
 */
export declare const SUPPORTED_NETWORKS: readonly ["base-mainnet", "base-sepolia", "solana-mainnet", "solana-devnet"];
/**
 * USDC token addresses for Solana networks
 */
export declare const SOLANA_USDC_ADDRESSES: {
    readonly "solana-devnet": "4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU";
    readonly "solana-mainnet": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v";
};
/**
 * Network mapping from internal network ID to both v1 and v2 (CAIP-2) formats.
 * Used for filtering discovery results that may contain either format.
 */
export declare const NETWORK_MAPPINGS: Record<string, string[]>;
/**
 * x402 protocol version type
 */
export type X402Version = 1 | 2;
/**
 * Payment option from discovery API (supports both v1 and v2 formats)
 */
export interface PaymentOption {
    scheme: string;
    network: string;
    asset: string;
    maxAmountRequired?: string;
    amount?: string;
    price?: string;
    payTo?: string;
    description?: string;
}
/**
 * Resource from discovery API
 */
export interface DiscoveryResource {
    url?: string;
    resource?: string;
    type?: string;
    metadata?: {
        [key: string]: unknown;
        description?: string;
        input?: Record<string, unknown>;
        output?: Record<string, unknown>;
    };
    accepts?: PaymentOption[];
    x402Version?: number;
    lastUpdated?: string;
}
/**
 * Simplified resource output for LLM consumption
 */
export interface SimplifiedResource {
    url: string;
    price: string;
    description: string;
}