/**
 * Is a repeat under an already-used steer `inputId` the same instruction? ONE answer for both seats that hold a
 * steer under its key — the parked queue (`appendPendingSteer`) and the live verb's accepted-input domain — and that
 * one answer feeds the replay decision, the refusal's machine-readable `detail.differs` and its sentence.
 *
 * Both seats compare the record the CALLER sent (text, trusted, tier, actor) — never the delivered bytes: the live
 * delivery folds `trusted` (the framing) and the actor (the speaker label) into its payload, so comparing payloads
 * would report one changed facet as two.
 */
import type { ActorAssertion } from "../internal/llm.js";
import { type SystemInjectionPriority } from "./task-notification.js";
/** The facets a steer's replay identity is made of, in the order a refusal lists them. Closed. */
export declare const STEER_REPLAY_FACETS: readonly ["text", "trusted", "priority", "actor"];
export type SteerReplayFacet = (typeof STEER_REPLAY_FACETS)[number];
/** What a seat remembers a steer by: the caller's own statement, as validated. The parked entry and the live park
 *  record both are this shape. An absent `priority` reads as `"next"` ({@link steerPriorityOf}). */
export interface SteerReplayRecord {
    readonly text: string;
    readonly trusted: boolean;
    readonly priority?: SystemInjectionPriority;
    readonly actor?: ActorAssertion;
}
/** The facets `repeat` differs from `held` in, in {@link STEER_REPLAY_FACETS} order. Empty = the idempotent replay. */
export declare function steerReplayDiffers(held: SteerReplayRecord, repeat: SteerReplayRecord): SteerReplayFacet[];
/** `steering.duplicate_input_id`'s machine-readable half: the facets, by name only (never the values). Always
 *  present on that code, never empty. */
export interface SteerReplayRefusalDetail {
    readonly differs: readonly SteerReplayFacet[];
}
/** Which seat refuses: the parked queue names the key it holds; the live verb answers about the caller's own key. */
export type SteerReplaySeat = {
    readonly seat: "parked";
    readonly inputId: string;
} | {
    readonly seat: "accepted";
};
/**
 * The refusal for a repeat that is not a replay, or `undefined` for one that is. When `text` differs the repeat is
 * another instruction and the caller is told to take a fresh key. When only the tier / trust / attribution differ it
 * is the SAME instruction, already accepted, whose standing receipt those facets do not change — a fresh key would
 * queue it a second time, so the sentence says so instead of advising one.
 */
export declare function steerReplayRefusal(held: SteerReplayRecord, repeat: SteerReplayRecord, where: SteerReplaySeat): {
    message: string;
    detail: SteerReplayRefusalDetail;
} | undefined;