import { type AgUiEncodedEvent, type AgUiRunFinishedMetadata } from "./encoder.js";
import type { AgentResponse } from "../types.js";
/** Public API contract for AG-UI finalize tracker. */
export interface AgUiFinalizeTracker<TChunk> {
    observeChunk: (chunk: TChunk) => void;
    observeEncodedEvents: (events: readonly AgUiEncodedEvent[]) => void;
    getFinalResponse: () => AgentResponse | null;
}
/** Options accepted by create AG-UI finalize tracker. */
export interface CreateAgUiFinalizeTrackerOptions<TChunk> {
    getMetadataFromChunk: (chunk: TChunk) => Partial<AgUiRunFinishedMetadata> | null | undefined;
}
/** Create AG-UI finalize tracker. */
export declare function createAgUiFinalizeTracker<TChunk>(options: CreateAgUiFinalizeTrackerOptions<TChunk>): AgUiFinalizeTracker<TChunk>;
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