import type { AgUiEncodedEvent, AgUiEncoderState, AgUiRunFinishedMetadata, AgUiRuntimeStreamEvent } from "../agent/ag-ui/encoder.js";
import { type AgUiEncoderStateOptions, finalizeAgUiEvents } from "../agent/ag-ui/encoder.js";
type RuntimeDataEvent = AgUiRuntimeStreamEvent;
export type RunFinishedMetadata = AgUiRunFinishedMetadata;
export type StreamTransformState = AgUiEncoderState;
export type MappedAgUiEvent = AgUiEncodedEvent;
export declare function createStreamTransformState(options?: AgUiEncoderStateOptions): StreamTransformState;
export declare function formatAgUiEvent(event: string, payload: Record<string, unknown>): Uint8Array;
export declare function parseSseJsonEvents(chunk: string): {
    events: RuntimeDataEvent[];
    remainder: string;
};
export declare function mapRuntimeEventToAgUi(state: StreamTransformState, event: RuntimeDataEvent): MappedAgUiEvent[];
export declare function finalizeRunEvents(state: StreamTransformState, response: Parameters<typeof finalizeAgUiEvents>[1]): MappedAgUiEvent[];
export {};
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