import type { AllowedUsers } from "../whitelist.js";
/**
 * Map<chatId, {action, checkpointId}> — Adjust/Reject await a follow-up text.
 * In-memory only; cleared on bot restart. No disk persistence.
 * bober: single-process map; extend to a shared Redis key-value store if the bot
 *        runs across multiple processes (low-probability at current scale).
 */
export type PendingCallbackState = Map<number, {
    action: "adjust" | "reject";
    checkpointId: string;
}>;
export declare function createPendingState(): PendingCallbackState;
/**
 * Handle a button tap from an inline-keyboard approval message.
 *
 * Returns:
 *   reply  — text to send back via sendSafe (null = nothing to send)
 *   answer — text for answerCallbackQuery (always present to dismiss the spinner)
 *
 * Guard chain (mirrors approve.ts:44):
 *   1. Whitelist re-check on the CALLBACK sender id (sc-4-5).
 *   2. pendingExists guard — write NOTHING if no .pending.json (sc-4-4).
 *   3. Approve  → saveApproved {approvedAt, approverId}; editDelta key ABSENT.
 *   4. Adjust   → stash in pending map; return prompt for replacement text.
 *   5. Reject   → stash in pending map; return prompt for feedback text.
 */
export declare function handleApprovalCallback(args: {
    projectRoot: string;
    senderId: number;
    allowed: AllowedUsers;
    chatId: number;
    data: string;
    pending: PendingCallbackState;
    now?: () => string;
}): Promise<{
    reply: string | null;
    answer: string;
}>;
/**
 * Check whether the incoming plain-text message is a follow-up to a stashed
 * Adjust or Reject tap. If so, resolves it and returns a reply string.
 * Returns null when there is no stash for this chat — the caller falls through
 * to normal text routing (capture / command dispatch).
 *
 * Key invariants:
 *   - Adjust follow-up writes ApprovedMarker with editDelta = text.
 *   - Reject follow-up writes RejectedMarker with rejecterId (NOT rejectorId).
 *   - Both call deletePending after a successful write.
 *   - Non-whitelisted sender: belt-and-suspenders return null without deleting stash
 *     (the outer loop already blocks non-whitelisted messages).
 */
export declare function handleApprovalFollowup(args: {
    projectRoot: string;
    senderId: number;
    allowed: AllowedUsers;
    chatId: number;
    text: string;
    pending: PendingCallbackState;
    now?: () => string;
}): Promise<string | null>;
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