/**
 * x402 network support policy for AgentPay MCP.
 *
 * AgentPay MCP currently signs x402 exact payments only on the configured
 * Base network. New x402 networks must be added deliberately because each
 * network can need different wallet deployment, gas, asset, and settlement
 * handling.
 */
export declare function supportedX402NetworksForChainId(chainId: number): string[];
export declare function describeSupportedX402Networks(chainId: number): string;
export declare function isTvmOrTonNetwork(network: string): boolean;
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