import { type CodexRolloutIdentity } from "./terminal-submission-facts.js";
import fs from "node:fs";
export declare const CODEX_COMPLETION_MAX_BYTES: number;
export declare function readCodexRolloutHeader(fd: number, size: number): Buffer;
export declare function readExactBytes(fd: number, offset: number, length: number): Buffer;
export declare function openExactRollout(rollout: CodexRolloutIdentity): {
    fd: number;
    stat: fs.Stats;
};
export declare function assertPrivateRegularFile(stat: fs.Stats): void;
export declare function fileEndsWithNewline(fd: number, size: number): boolean;
export declare function byteAtOffset(fd: number, offset: number): number | undefined;
export declare function sameStableFile(left: fs.Stats, right: fs.Stats): boolean;
export declare function sameRolloutIdentity(left: CodexRolloutIdentity, right: CodexRolloutIdentity): boolean;
export declare function sameRolloutFileIdentity(left: CodexRolloutIdentity, right: CodexRolloutIdentity): boolean;