import type { TurnStatus } from '../../types/session/turn.js';
/**
 * A turn's status as HTTP, SSE and A2A payloads carry it.
 *
 * Distinct from the domain {@link TurnStatus}, which models the kernel's state
 * machine. The wire enum collapses domain members onto the shape a remote
 * client acts on: domain `succeeded` is wire `completed`, both `awaiting_hitl`
 * members are wire `awaiting_input`, and `awaiting_subsession` is wire
 * `running`.
 */
export type WireTurnStatus = 'queued' | 'running'
/**
 * The turn is waiting on a human: an approval, a question or a review.
 *
 * Distinct from `running` because a client acts on it differently. A
 * running turn settles by itself; a turn awaiting input settles only when
 * someone answers, so a client that saw `running` would wait forever for
 * an answer nobody is going to give. A2A carries it as `input-required`.
 */
 | 'awaiting_input' | 'completed' | 'failed' | 'cancelled' | 'cancelling'
/**
 * The turn's approval window closed with nobody answering.
 *
 * Set by a host sweeping expired parks. No domain status collapses onto
 * it: the kernel is suspended while parked and never observes its own
 * deadline passing.
 */
 | 'expired';
/** Every {@link WireTurnStatus} member, in declaration order. */
export declare const WIRE_TURN_STATUSES: readonly ["queued", "running", "awaiting_input", "completed", "failed", "cancelled", "cancelling", "expired"];
/**
 * The collapse of every domain {@link TurnStatus} onto the wire.
 *
 * A `Record` over the domain union, so a new domain status is a type error
 * here rather than an `undefined` on the wire.
 */
export declare const TURN_STATUS_TO_WIRE: Readonly<Record<TurnStatus, WireTurnStatus>>;
/**
 * Collapse a domain turn status onto the wire enum.
 *
 * Total over {@link TurnStatus}. A value outside the union (a status read from
 * an untyped source) throws rather than putting `undefined` on the wire.
 */
export declare function toWireTurnStatus(status: TurnStatus): WireTurnStatus;
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