import { type MailboxStore } from "../core/mailbox-store.js";
import type { PermissionModeClass } from "./cross-session-envelope.js";
import { type PeerDeliveryReceiptState, type PeerDropReason, type PeerIdleNoticeKind } from "./peer-notices.js";
export interface PeerNoticeRoute {
    mailbox: MailboxStore;
    scope: string;
    /** The notice's author: this session (the recipient of a held message / the target of a subscription /
     *  the requester answering itself). `name` = its directory row's display name when known. */
    self: {
        sessionId: string;
        name?: string;
        modeClass?: () => PermissionModeClass | "unknown";
    };
    onError?: (error: unknown, ctx: {
        phase: "degraded";
        sessionId: string;
        classification: string;
    }) => void;
    now?: () => number;
}
/** A delivery RECEIPT to the sender of one message this session judged (held / expired / delivered /
 *  refused / denied). `refSeq` = the seq of the sender's message in THIS session's box. */
export declare function routePeerDeliveryReceipt(route: PeerNoticeRoute, toSession: string, state: Exclude<PeerDeliveryReceiptState, "dropped">, refSeq: number): Promise<boolean>;
/** A `dropped` receipt (the ingress guard's arm). */
export declare function routePeerDroppedReceipt(route: PeerNoticeRoute, toSession: string, refSeq: number, dropReason?: PeerDropReason): Promise<boolean>;
/** An idle NOTICE to a requester (`idle` / `exited` / `unavailable` from the target; `expired` from the
 *  requester's own timer — then `toSession` is the requester itself and the record is self-sent). */
export declare function routePeerIdleNotice(route: PeerNoticeRoute, toSession: string, notice: {
    kind: PeerIdleNoticeKind;
    finishedAt?: number;
    detail?: string;
    label?: string;
}): Promise<boolean>;