/**
 * Ask-enforce classifier: does an ended turn ask the owner something in prose?
 *
 * Pure and deterministic, run by the `cleo hook ask-enforce` Stop hook on every
 * turn end, so it is regex-only with no I/O and no model call. It is tuned
 * against false positives: anything that is not the agent's own closing prose
 * (code, quotes, headings, tables, URLs, a research report's open-questions
 * list) is removed first, only the reply's tail is read, and a question
 * attributed to someone else or answered on the spot does not count. Every
 * doubt resolves to `allow`; a corpus test pins the false-positive rate at 0.
 *
 * Design: `cleo docs fetch t13420-ask-enforce-stop-hook-design`.
 *
 * @task T13420
 * @epic T13418
 */
import type { AskEnforceInput, AskEnforceVerdict } from '@cleocode/contracts';
/**
 * Classify one ended turn.
 *
 * @param input - The final reply, the turn's tool calls and the ask-tool names.
 * @returns `block` when the reply's tail asks the owner something in prose and
 *   the turn made no ask-tool call; `allow` otherwise, including on any doubt.
 *
 * @example
 * ```typescript
 * classifyOwnerAsk({
 *   lastAssistantText: 'Tests pass. Should I merge it?',
 *   turnToolCalls: [],
 *   askToolNames: ['AskUserQuestion'],
 * }).verdict; // "block"
 * ```
 */
export declare function classifyOwnerAsk(input: AskEnforceInput): AskEnforceVerdict;
/**
 * The block reason the agent reads: re-ask with the harness ask tool.
 *
 * @param verdict - A `block` verdict from {@link classifyOwnerAsk}.
 * @param askToolName - The provider's ask tool, or `null` for the `hitl.request` fallback.
 * @returns One paragraph telling the agent how to re-ask.
 */
export declare function askEnforceReason(verdict: AskEnforceVerdict, askToolName: string | null): string;
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