import type { StreamDelta } from "../shared/types.js";
/** Codex's SubAgentActivity rollout items are omitted from some exec JSON
 * streams. Read only newly appended records from this exact parent thread;
 * inherited transcript history and agent prose cannot declare live work. */
export declare class CodexNativeAgents {
    private root;
    private threadId;
    private file;
    private offset;
    private pending;
    private decoder;
    private agents;
    private version;
    constructor(root: string, resumeId?: string);
    get active(): number;
    bind(threadId: string): void;
    read(): StreamDelta | undefined;
    private readFile;
    stop(): StreamDelta | undefined;
    private accept;
    private delta;
}
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