import type { ModelMessage } from "ai";
/**
 * Re-applies framework-owned state preservation after the harness compacts
 * message history, returning any messages to append to the compacted history.
 *
 * Runs the framework's built-in preservation steps:
 * - resets read-before-write tracking, so a write after compaction re-reads
 *   the file whose read evidence was summarized away;
 * - re-injects the todo list (when present), so the model keeps its task list.
 *
 * Must be called inside the harness step's `AlsContext`; both steps read
 * durable context state.
 */
export declare function preserveFrameworkStateOnCompaction(): readonly ModelMessage[];