import type { AgentStreamChunk, PendingInterrupt } from "../domain/turnTypes.js";
/**
 * Normalize raw LangGraph interrupt object(s) into provider-agnostic descriptors.
 * Kept in the llm layer so the LangGraph interrupt shape never reaches the app.
 */
export declare function normalizeInterrupts(interrupt: unknown): PendingInterrupt[];
type RawStreamEntry = ["messages", [any, any]] | ["updates", Record<string, any>];
/**
 * Convert one raw LangGraph stream entry into zero or more normalized chunks.
 * Pure and synchronous so the parsing rules can be unit-tested in isolation.
 */
export declare function parseRawStreamChunk(entry: RawStreamEntry): AgentStreamChunk[];
/**
 * Adapt the raw LangGraph `["messages" | "updates", ...]` stream into a typed
 * `AgentStreamChunk` stream for the application layer.
 */
export declare function adaptRawStream(raw: AsyncIterable<RawStreamEntry>): AsyncGenerator<AgentStreamChunk>;
export {};