import type { SessionEvent, SessionLineageResponse } from "@opengeni/sdk";
import { type EmbeddedSessionLineageClientOverride } from "../session-context.js";
export type UseSessionLineageOptions = EmbeddedSessionLineageClientOverride & {
    events?: SessionEvent[] | undefined;
    /** Refresh interval (ms). Off by default. */
    pollIntervalMs?: number | undefined;
    enabled?: boolean | undefined;
    /** Optional shared causal clock invoked when each network read starts. */
    beginRead?: (() => number) | undefined;
};
export type UseSessionLineageResult = {
    lineage: SessionLineageResponse | null;
    loading: boolean;
    error: Error | null;
    /** Causal generation captured when the accepted lineage read started. */
    readGeneration: number;
    refresh: () => Promise<void>;
};
export declare function isLineageRefreshEvent(event: SessionEvent): boolean;
/** Read the ancestors + descendant tree for one session. Data-only; no UI state. */
export declare function useSessionLineage(sessionId: string | null | undefined, options?: UseSessionLineageOptions): UseSessionLineageResult;