import { DshRemoteRuntimeSecretBroker } from './runtime-secret-broker.js';
import type { DshRemoteRealtimeTransport, DshRemoteResponse, DshRemoteTrustedEventMetadata } from './types.js';
export interface DshRemoteHostChannelManagerOptions {
    accountId: string;
    signal?: AbortSignal;
    profileRef: string;
    hostClientRef: string;
    runtimeRef: string;
    realtime: DshRemoteRealtimeTransport;
    secretBroker: DshRemoteRuntimeSecretBroker;
    dispatch: (request: unknown, context: {
        serviceLeaseGeneration: number;
        metadata: DshRemoteTrustedEventMetadata;
    }) => Promise<DshRemoteResponse>;
    onProjectionError: (error: unknown) => void;
    onFatal: (error: unknown) => void;
    onDiagnostic?: (event: string, fields: Record<string, unknown>) => void;
}
/**
 * Owns the single account-scoped Runtime channel. The Host subscribes with
 * generation 0 before registration, then activates the exact positive lease
 * returned by Realtime. No controller identity or pairing state exists here.
 */
export declare class DshRemoteHostChannelManager {
    private readonly options;
    private readonly controller;
    private unsubscribe;
    private target;
    private lastTransportSequence;
    private persistedTransportSequence;
    private outboundTail;
    private readonly pendingEvents;
    private readonly requestFragments;
    private closed;
    private readonly detachParent;
    constructor(options: DshRemoteHostChannelManagerOptions);
    prepare(): Promise<void>;
    activate(serviceLeaseGeneration: number): void;
    status(): {
        runtimeRef: string;
        serviceLeaseGeneration: number;
        ready: boolean;
    };
    close(): Promise<void>;
    publishProjectionEvent(envelope: Record<string, unknown>, commandId: string, onTiming?: (timing: {
        queueMs: number;
        publishMs: number;
        completed: boolean;
    }) => void): Promise<void>;
    private consume;
    private handle;
    private diagnostic;
    private publishPayload;
    private persistCursor;
}
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