import type { FileSystemContext } from "../context/FileSystemContext.js";
import type { Message } from "../types.js";
/**
 * Keeps the model's view of the user's global and the project's instructions current.
 *
 * The first record leads the conversation so the instructions arrive before anything the user
 * asked for, and stays byte-identical while the file is unchanged so the cached prefix survives.
 * Later edits are recorded as superseding records ahead of the turn the user is waiting on, so
 * the request stays the last thing the model reads; nothing already recorded is rewritten.
 */
export declare function reconcileAgentsMdMessages(options: {
    fs: FileSystemContext;
    /** The user's global AGENTS.md, read fresh for this turn. */
    globalInstructions?: string;
    idFactory: () => string;
    messages: readonly Message[];
}): Promise<readonly Message[]>;