import type { WorkItemsStorage } from '../storage/domains/work-items/base.js';
/**
 * Records the head a pull request or merge request was observed at, so a
 * review verdict given on an earlier head can be shown as outdated. Webhooks
 * arrive out of order and get redelivered, so a write only lands when its
 * event is newer than the one the card last recorded; an event without a
 * timestamp cannot be ordered and is dropped. The check and the write run
 * against the same revision, so a concurrent delivery cannot slip between them.
 */
export declare function recordPullRequestHead(storage: WorkItemsStorage, input: {
    orgId: string;
    id: string;
    headSha: string;
    headAt: number | undefined;
    /** Only write while the card has no open pull request or has this one out. */
    ownedPullRequestNumber?: number;
}): Promise<void>;
//# sourceMappingURL=pull-request-head.d.ts.map