import type { ShellReadVerdict } from "../tools/fs/shell-read-check.js";
import { type ShellReadDisposition } from "../tools/fs/shell-read-judge.js";
import type { GatePass } from "./runner/gate-exit.js";
import type { AskGuard } from "./tool-policy.js";
/** One station answer, received and read: what a reader acts on (`kind`) and the answer it acts on (`verdict` — the engine's own
 *  copy, received once). `unbelieved`: the station's answer was not received or contradicted its own finding, and `verdict` is the
 *  engine's refusal of it (its sentence names the station's words only where they are words of the closed sets — nothing a station
 *  spelled reaches the model), reported once on the call's lane ({@link StationAnswerCall.report}). */
export interface StationAnswerReading {
    readonly kind: ShellReadDisposition | "silence";
    readonly verdict: ShellReadVerdict;
    readonly unbelieved?: true;
}
/** The call a reader reads an answer for: its name (the refusal names it), its id, and the lane a station's failure is reported on
 *  (absent ⇒ unreported — the resumed leg reads the engine's own stations). */
export interface StationAnswerCall {
    readonly toolName: string;
    readonly toolCallId?: string;
    readonly report?: (err: Error) => void;
}
/**
 * Receive and read a station's answer — the ONE reading for every reader. The answer is received whole ({@link receivedAnswer}:
 * the engine's one receipt for a caller's object, then each member by its kind — none of the caller's code runs) into the engine's
 * copy every later read is of; an answer that is not received (an accessor, a member its prototype or a non-enumerable property
 * supplies, a Proxy anywhere in it, a word that is no string, a mark that is not `true`, not an object) is not believed. Then, in order:
 *  · `refuse` stands, whatever beside it: no reading is stricter;
 *  · the station's SILENCE — the finding `unanswered`, or nothing found (`none`) beside a silence mark (`environmentSilent`,
 *    `rowsUnread`): the station made no finding, whatever disposition it spelled beside it (the engine's own station spells a
 *    vouch beside unread rows as `unanswered`);
 *  · a disposition the decision table does not give the finding on any seat, under any form of the question
 *    ({@link dispositionsOfRow}) — a `vouch` beside a deny hit, an ask beside one, a word outside the closed sets — is NOT believed:
 *    the station's answer contradicts its own finding, and the reader refuses the call;
 *  · otherwise the disposition, as the table gives it.
 * A silence mark beside a finding the station DID make is not the silence: it classes that finding's question
 * ({@link silencedBy}).
 */
export declare function readStationAnswer(answer: ShellReadVerdict, call: StationAnswerCall): StationAnswerReading;
/** Whose silence a station's answer carries, each its own class on the question it keeps or mints: unread rows are a rule that could
 *  not be read (the rule lane's class); the finding `unanswered` is, unless rows are unread, the environment's silence — shell text the
 *  engine cannot read (a guard) — and the marks only pick whose. Either is a question only a person answers; `probe` follows the finding. */
export declare function silencedBy(verdict: ShellReadVerdict, d: {
    readonly guards?: readonly AskGuard[];
    readonly ruleUnreadable?: unknown;
}): {
    ruleUnreadable?: "persisted_rows";
    guards?: readonly AskGuard[];
    requiresRealApproval?: true;
};
/** The station's SILENCE ({@link readStationAnswer}), applied once, before any disposition arm: a station — a host-mounted one
 *  included — may spell `vouch`, `mandated` or `ordinary` beside it, and no word vouches for what nobody judged. A deny stands; an
 *  ask keeps its words and gains the silence's class; an allow becomes the silence's question (`ask.message`), one only a person
 *  answers. Nothing is admitted, no `probe` is stamped and no grant is offered — the station made no finding. */
export declare function applyUnansweredSilence(pass: GatePass, verdict: ShellReadVerdict, ask: {
    readonly message: string;
    readonly account: string | undefined;
    readonly tightenedBy: "shell_gate" | "safety";
}): void;