/**
 * 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;
/**
 * Detect a TVM/TON network name in a 402's `accepts[].network`.
 *
 * The value comes from `JSON.parse` of a remote payload, so it is not
 * guaranteed to be a string — a hostile 402 can make it a number, array or
 * object. A non-string is not a TVM network, and must not crash the
 * fail-closed explanation on `.toLowerCase()`.
 */
export declare function isTvmOrTonNetwork(network: unknown): boolean;
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