import { type AgUiEncodedEvent, type AgUiEncoderState, type AgUiEncoderStateOptions, type AgUiRuntimeStreamEvent } from "./encoder.js";
import type { AgentResponse } from "../types.js";
/** Public API contract for AG-UI chunk encoder bridge. */
export interface AgUiChunkEncoderBridge<TChunk> {
    encode: (chunk: TChunk) => AgUiEncodedEvent[];
    finalize: (response: AgentResponse | null) => AgUiEncodedEvent[];
    state: AgUiEncoderState;
    /** Timing anchor consumed by the response composition root. */
    timingState: AgUiEncoderState;
}
/** Options accepted by create AG-UI chunk encoder bridge. */
export interface CreateAgUiChunkEncoderBridgeOptions<TChunk> {
    getRuntimeEvents: (chunk: TChunk) => readonly AgUiRuntimeStreamEvent[];
    /**
     * Timing clocks forwarded verbatim to the encoder state. A single object so
     * that adding a clock is one edit in `AgUiEncoderStateOptions`, not a
     * sweep through every wrapper that happens to sit in between.
     */
    timing?: AgUiEncoderStateOptions;
}
/** Create AG-UI chunk encoder bridge. */
export declare function createAgUiChunkEncoderBridge<TChunk>(options: CreateAgUiChunkEncoderBridgeOptions<TChunk>): AgUiChunkEncoderBridge<TChunk>;
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