import type { Conversation, Harness, Storage, Submission } from "@earendil-works/pi-durable";
import type { Context } from "@earendil-works/chord";
export interface PiDurableMessageOptions {
    /** Stable caller-issued identity. Retrying the same message is a no-op, including after reattachment. */
    requestId?: string;
}
type SettledSubmission = Awaited<ReturnType<Submission["wait"]>>;
/** One completion boundary over the initial submission and every host-admitted steer/follow-up. */
export declare function openDurableControls(options: {
    durable: typeof import("@earendil-works/pi-durable");
    context: Context;
    harness: Harness;
    storage: Storage;
    conversation: Conversation;
    initial: Submission;
    runId: string;
    serialize: <T>(operation: () => Promise<T>) => Promise<T>;
    closed: () => boolean;
}): Promise<{
    send: (kind: "steer" | "followUp", message: string, data?: unknown) => Promise<void>;
    wait: () => Promise<SettledSubmission | undefined>;
    stop(): Promise<void>;
    liveness(): Promise<"running" | "settled" | "cancelled" | "interrupted">;
}>;
export type PiDurableControls = Awaited<ReturnType<typeof openDurableControls>>;
export {};
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