import type { DocComment } from '../im/lark/doc-comment.js';
export interface DocCommentPollCursor {
    createdAt: number;
    replyId: string;
}
export interface PolledDocReply extends DocCommentPollCursor {
    commentId: string;
    isWhole: boolean;
    selectedText?: string;
    authorOpenId?: string;
    text: string;
    mentions: string[];
    priorReplies: Array<{
        authorOpenId?: string;
        text: string;
    }>;
}
export declare function compareDocCommentPollCursor(a: DocCommentPollCursor, b: DocCommentPollCursor): number;
export declare function flattenDocCommentReplies(comments: DocComment[]): PolledDocReply[];
export declare function latestDocCommentPollCursor(comments: DocComment[]): DocCommentPollCursor | undefined;
export declare function docCommentRepliesAfterCursor(comments: DocComment[], cursor: DocCommentPollCursor): PolledDocReply[];
/**
 * Walk `fresh` replies in ascending cursor order, delivering each and advancing
 * the persisted cursor **only** for a delivered reply. Stops at the first
 * `deliver` that returns false so a later success can never move the cursor past
 * an un-delivered earlier reply — that would drop it permanently, since the next
 * poll only fetches replies strictly after the cursor. The stopped reply is
 * retried from the same spot on the next poll (ordering is preserved).
 *
 * `deliver` returns true when the reply was handled (dispatched, or safely
 * skipped e.g. self-authored/empty so the cursor should move past it), and false
 * to stop the round without advancing (delivery failed, or the watch was removed
 * mid-loop). `commit` persists the cursor to the just-delivered reply.
 */
export declare function advanceDocCommentCursor(fresh: PolledDocReply[], deliver: (reply: PolledDocReply) => Promise<boolean>, commit: (reply: PolledDocReply) => void | Promise<void>): Promise<void>;
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