import type { Command } from 'commander';
/** Add `-k, --private-key <key>`, bound to KUBUN_PRIVATE_KEY, optionally required. */
export declare function withPrivateKey(cmd: Command, opts?: {
    required?: boolean;
}): Command;
/** Add `--url <url>` for the Kubun server URL. */
export declare function withURL(cmd: Command): Command;
/** Add `-l, --log-level <level>` with the `warning` default and the logtape level set. */
export declare function withLogLevel(cmd: Command): Command;
/** Add `-p, --port <port>`, default resolved lazily from @tejika/env at action time. */
export declare function withPort(cmd: Command): Command;
/**
 * Add `-a, --allowed-origin <origin>`, bound to KUBUN_ALLOWED_ORIGIN.
 *
 * No default: an unset option denies cross-origin browser requests. Opening a
 * surface is an explicit choice — pass `-a '*'` to reflect any origin, or a
 * comma-separated list to allow only those.
 */
export declare function withAllowedOrigin(cmd: Command): Command;