import { Command } from 'commander';
/**
 * Validate a `--paymaster-url` value: a well-formed http(s) base URL with no
 * query, fragment, or credentials. The URL is used verbatim as the paymaster
 * JSON-RPC endpoint, so it must be a plain base URL (undici rejects
 * credentialed URLs outright).
 * Returns the parsed URL's normalized string (lowercased scheme/host) with
 * trailing slashes stripped.
 * Throwing commander's `InvalidArgumentError` routes bad input through the
 * CLI's standard VALIDATION_ERROR path (see index.ts) before any send runs.
 */
export declare function parsePaymasterUrl(value: string): string;
/**
 * Add `--paymaster-url` and a preAction hook that bridges the flag into the
 * env var the BSC gas-sponsorship path already reads. Attached to the
 * broadcasting leaf commands of the transfer, swap, erc20, compete, onramp,
 * erc8004, and erc8183 families (x402/serve/watch stay flag-free by design);
 * returns the command for chaining.
 */
export declare function attachPaymasterOption(cmd: Command): Command;
//# sourceMappingURL=paymaster-option.d.ts.map