import type { Envelope } from '../types/envelope.ts';
import { Node, type NodeLike } from '../types/node.ts';
import type { Session } from '../types/session.ts';
import type { Authentication } from './security.ts';
import { OpenConnectionSender } from './sender.ts';
export type ConnectionSession = {
    id: string;
    localNode: Node;
    remoteNode: Node;
    scheme: Authentication['scheme'];
};
export declare class SessionNegotiator {
    private readonly sender;
    private readonly sendSession;
    state: Session['state'] | 'present';
    session: ConnectionSession | null;
    private presencePromise;
    private currentSessionResolver;
    constructor(sender: OpenConnectionSender, sendSession: (session: Session) => void);
    negotiate(options: {
        node: NodeLike;
        authentication: Authentication;
    }): Promise<void>;
    handleEnvelope(envelope: Envelope): void;
    ensurePresence(currentCommandUri?: string): Promise<void>;
    finish(): void;
    get negotiating(): boolean;
    private waitForSessionResponse;
}
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