import type { DeliverHookPayload, HookPayload } from "#channel/types.js";
import type { NextDriverAction } from "#execution/next-driver-action.js";
/** Payloads delivered to the private inbox owned by one active turn. */
export type TurnInboxPayload = Exclude<HookPayload, DeliverHookPayload> | {
    readonly delivery: DeliverHookPayload;
    readonly kind: "driver-delivery";
    readonly requestId: string;
};
/** Control payloads emitted from an active turn to its session driver. */
export type TurnControlPayload = {
    readonly action: NextDriverAction;
    readonly bufferedDeliveries?: readonly DeliverHookPayload[];
    readonly kind: "turn-result";
} | {
    readonly kind: "turn-error";
    readonly error: unknown;
} | {
    readonly continuationToken: string;
    readonly kind: "turn-continuation-token";
} | {
    readonly continuationToken: string;
    readonly inboxToken: string;
    readonly kind: "turn-delivery-request";
    readonly requestId: string;
} | {
    readonly kind: "turn-delivery-accepted";
    readonly requestId: string;
} | {
    readonly kind: "turn-delivery-cancelled";
    readonly requestId: string;
};
/** Sends one lifecycle payload to the session driver's control hook. */
export declare function sendTurnControlStep(input: {
    readonly controlToken: string;
    readonly payload: TurnControlPayload;
}): Promise<void>;