import type { SendResult } from "./conversation-manager.js";
import { type RuntimeParticipantConversationSubject } from "./services-client/index.js";
import type { ContinuityStore, DisclosedConversation } from "./services-continuation.js";
export interface DirectedSessionTarget {
    sessionLabel: string;
    nodeHandle: string;
}
export declare function parseDirectedSessionTarget(to: string): DirectedSessionTarget | null;
export declare function isDirectedSessionTarget(to: string): boolean;
export interface DirectedSessionSendOptions {
    apiHost: string;
    runtimeKey: string;
    endpoint: () => {
        id: string;
        nonce: string;
    } | null;
    store: ContinuityStore;
    remember?: (input: {
        subject: RuntimeParticipantConversationSubject;
        messageRef: string;
    }) => Promise<DisclosedConversation | undefined>;
    fetch?: typeof globalThis.fetch;
}
export declare class DirectedSessionSend {
    private readonly clientConfig;
    private readonly runtimeKey;
    private readonly endpoint;
    private readonly store;
    private readonly remember;
    constructor(options: DirectedSessionSendOptions);
    isDirectedSessionTarget(to: string): boolean;
    send(to: string, content: string): Promise<SendResult>;
    private listedSessions;
    private submit;
    private lookupFailed;
    private refusalOrUnknown;
}
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