/** A per-job handler declared by a consumer module (receives the job payload). */
export type QueueHandler = (payload: unknown) => unknown | Promise<unknown>;
/**
 * Return the per-job handler that a consumer module declares for `topic`.
 *
 * A consumer module (e.g. the one `generate queue <topic>` scaffolds) exposes a
 * default-export config; when its `topic` matches, `queue work` drives the
 * consumer through that config's per-job `handle` callable — so the worker owns
 * the poll loop (honouring --poll and the bounded --once drain) instead of the
 * consumer's own endless loop. Returns the callable, or null when no consumer in
 * `servicesDir` targets this topic. Mirrors Python's _resolve_queue_handler.
 */
export declare function resolveQueueHandler(servicesDir: string, topic: string): Promise<QueueHandler | null>;
/** Subcommand names, in order — surfaced in `commands --json` for the tina4 client. */
export declare const QUEUE_SUBCOMMAND_NAMES: string[];
/**
 * Top-level queue command: run workers and manage jobs. Dispatches to the
 * subcommand handlers above; unknown / missing subcommands fail loud (exit 1).
 */
export declare function queueCommand(args?: string[]): Promise<void>;