/** The default daemon port when neither `--port` nor `CREW_PORT` is given. */
export declare const DEFAULT_DAEMON_PORT = 7701;
/** The env variable `serve` — and therefore every client verb — honours for the daemon port. */
export declare const DAEMON_PORT_ENV = "CREW_PORT";
/** Where the daemon port came from and the raw spelling — for messages that name the input. */
export interface DaemonPortSource {
    /** The raw value as given (`--port` argument or the env variable), or `undefined` for the default. */
    raw: string | undefined;
    from: '--port' | typeof DAEMON_PORT_ENV | 'default';
}
/**
 * The one read of `--port` / `CREW_PORT` (review-L10-604 MED: a display-only
 * `process.env[DAEMON_PORT_ENV]` in the `mcp` error text was a second read of the same variable —
 * every consumer, including error text, goes through here).
 */
export declare function daemonPortSource(args: string[], env?: NodeJS.ProcessEnv): DaemonPortSource;
/** `--port <n>` › `CREW_PORT` › 7701 — the one place the daemon port is decided. */
export declare function resolveDaemonPort(args: string[], env?: NodeJS.ProcessEnv): number;
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