import type { SlackConfig, SlackMessage } from './slack.js';
/** A function that posts a Slack message and returns its `ts`. Injectable so tests can record calls. */
export type SlackPoster = (message: SlackMessage) => Promise<string>;
export type AnnounceReleaseOptions = {
    /** Version tag, e.g. "v2.124.0". */
    tag: string;
    /** Public URL of the GitHub release. Omitted when the repository is unknown. */
    releaseUrl?: string;
    /** The full release-notes body (English + Dutch), posted as thread replies. */
    notesBody: string;
    /** Override the poster (defaults to posting to Slack with the given config). */
    post?: SlackPoster;
};
/** The short root message that links to the release; the notes follow as thread replies. */
export declare function buildReleaseRootMessage(tag: string, releaseUrl?: string): string;
/**
 * Splits the notes into <= MAX_REPLY_LENGTH chunks, breaking on line boundaries so headings and list
 * items stay intact. A single line longer than the limit is hard-split as a last resort.
 */
export declare function chunkReleaseNotes(body: string, maxLength?: number): string[];
/**
 * Posts a short root announcement for a published release, then the full release notes as threaded
 * replies. Returns the root message `ts` and how many reply messages were posted.
 */
export declare function announceRelease(config: SlackConfig, options: AnnounceReleaseOptions): Promise<{
    rootTs: string;
    replyCount: number;
}>;
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