import { InspectAssistOptions } from './types';

/**
 * 检视模式控制器：
 * - 主入口：常驻浮钮（可选）
 * - 次要：Cmd/Ctrl+Shift+C；Esc 仅退出检视（浮钮保留）
 *
 * 注意：选中/复制在 pointerup 完成（pointerdown preventDefault 可能取消后续 click）。
 * 但 <a> 等默认导航挂在 click 上，仍须单独在 capture 阶段拦截 click/auxclick。
 */
export declare class InspectModeController {
    private active;
    private overlay;
    private fab;
    private prevCursor;
    private boundKeyDown;
    private boundMouseMove;
    private boundPointerDown;
    private boundMouseDown;
    private boundPointerUp;
    /** 链接/按钮默认动作在 click 上触发；必须单独拦截，仅拦 pointer/mouse down 不够 */
    private boundClick;
    private boundAuxClick;
    private installed;
    private destroyed;
    private hotkeysBound;
    private options;
    /** pointerdown 起点，用于区分点击与轻微抖动 */
    private pressX;
    private pressY;
    /** 安装浮钮 + 快捷键（幂等） */
    install(options?: InspectAssistOptions): void;
    private bindHotkeys;
    private unbindHotkeys;
    /** 拆除浮钮、快捷键与检视态；之后本实例方法均为安全空操作 */
    destroy(): void;
    isActive(): boolean;
    isInstalled(): boolean;
    enter(): void;
    exit(): void;
    toggle(): void;
    private onKeyDown;
    private resolveTarget;
    private onMouseMove;
    private onPointerDown;
    private onMouseDown;
    private onPointerUp;
    /** 阻止 <a>/按钮等在检视态下的默认导航或激活 */
    private onClick;
}