/**
 * Consensus-level session state, ported from `core/sdk/src/session.rs`.
 *
 * Each client instance generates an ephemeral random `clientId` (u128).
 * After a Register commits, the server assigns a `session` number (commit op
 * number). Every replicated request (metadata and partition) advances a
 * monotonic request watermark; non-replicated requests reuse the current
 * value because they bypass server-side request sequencing.
 */
export declare class ConsensusSession {
    private _clientId;
    private _session;
    private requestCounter;
    private registerConsumed;
    constructor(clientId?: bigint);
    get clientId(): bigint;
    /** The bound session number, or null before Register commits. */
    get session(): bigint | null;
    get isBound(): boolean;
    get hasActivity(): boolean;
    /** Binds the session after Register commits through consensus. */
    bind(session: bigint): void;
    /**
     * Begins a registration, re-arming the session for a re-login. A prior
     * consumed or bound session is replaced wholesale (fresh client id,
     * unbound), so a repeat login encodes a clean Register instead of tripping
     * the one-shot guard. Returns the register request id, always 0.
     */
    beginRegister(): bigint;
    /**
     * Next application request id, advancing the counter: 1, 2, 3, ...
     * Request 0 is reserved for Register.
     */
    nextRequestId(): bigint;
    /** Current counter value without advancing it. */
    currentRequestId(): bigint;
}
//# sourceMappingURL=session.d.ts.map