import { type HarneryInboxLimits, type HarneryInboxMessageRecordV1, type HarneryInboxRecordV1, type HarneryInboxStatusV1, type HarneryInboxSurfaceBudget, type HarneryInboxSurfaceResult } from "./contract.js";
export interface HarneryInboxServiceOptions {
    coord_root: string;
    limits: HarneryInboxLimits;
    now?: () => Date;
    id?: () => string;
}
export interface HarneryInboxSendInput {
    sender_instance_id: string;
    sender_display_name: string;
    recipient_instance_id: string;
    recipient_display_name: string;
    body: string;
}
export interface HarneryInboxSendReceipt {
    state: "queued";
    message_id: string;
    body_bytes: number;
    synced: true;
}
export declare class HarneryInboxService {
    #private;
    constructor(options: HarneryInboxServiceOptions);
    send(input: HarneryInboxSendInput): HarneryInboxSendReceipt;
    records(recipientInstanceId: string): HarneryInboxRecordV1[];
    pending(recipientInstanceId: string): HarneryInboxMessageRecordV1[];
    status(recipientInstanceId: string): HarneryInboxStatusV1;
    surface(recipientInstanceId: string, emit: (messages: readonly HarneryInboxMessageRecordV1[]) => Promise<void> | void, budget?: HarneryInboxSurfaceBudget): Promise<HarneryInboxSurfaceResult>;
}
export declare function inboxPath(coordRoot: string, recipientInstanceId: string): string;
export declare function project(records: readonly HarneryInboxRecordV1[]): {
    pending: HarneryInboxMessageRecordV1[];
    surfaced: ReadonlySet<string>;
    lastSurfaceAt?: string;
};
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