import type { EditorConnection } from './EditorConnection.js';
import type { ToolResult } from '../types.js';
import type { HealthMonitor } from './health-monitor.js';
export declare class EditorToolExecutor {
    private syncActive;
    private treeChangeRing;
    private treeChangeHead;
    private treeChangeCount;
    private static readonly MAX_BUFFER_SIZE;
    private readonly conn;
    private readonly healthMonitor?;
    private readonly isVerifying?;
    private executeChain;
    /** Bound handlers stored so we can remove them on destroy. */
    private readonly _disconnectHandler;
    private readonly _reconnectHandler;
    constructor(conn: EditorConnection, healthMonitor?: HealthMonitor, isVerifying?: () => boolean);
    /** Remove all handlers from the connection. Call when discarding this executor. */
    destroy(): void;
    execute(toolName: string, args: Record<string, unknown>): Promise<ToolResult>;
    private _executeInner;
    /**
     * 包裹 startOperation/endOperation 的长操作执行（nav_bake / test_run 共用）。
     * startOperation 通知 GD 侧 heartbeat.gd 暂停 inactivity 检测；endOperation 恢复。
     * IPC-R3 (2026-08-08): startOperation 后还暂停 TS 侧 health-monitor 心跳,防 GD 主循环
     * 阻塞时 ping 5s 超时×5≈75s 误降级中断 110s/290s 操作。endOperation 后恢复(双保险)。
     * finally 块的 .catch(() => {}) 防清理错误覆盖 try 抛出的原始错误（I-1 审查 finding）。
     */
    private _runWithOpTimeout;
    private handleTreeChange;
    /** Drain all buffered changes in insertion order and reset the ring. */
    private drainChanges;
    private handleSyncStart;
    private handleSyncStop;
    private handleGetSceneTree;
}