import { MeshCollector, MeshCollectorQuery } from '../MeshCollector';
import { TilesRenderer } from '3d-tiles-renderer';
import { Object3D } from 'three';
import { StyleConfig } from './style-appearance-types';
export type { StyleAppearance, StyleCondition, StyleConditionDescriptor, StyleConditionInput, StyleConfig, StyleEulerInput, StyleMaterialMaps, StyleMaterialResolver, StyleMeshFactory, StyleShowInput, StyleVec3Input, } from './style-appearance-types';
/** 内部使用：插件需提供的接口 */
interface StyleHelperContext {
    getTiles(): TilesRenderer | null;
    hidePartsByFeatureAttribute(featureIds: number[], featureIdAttribute: number): void;
    showPartsByFeatureAttribute(featureIds: number[], featureIdAttribute: number): void;
    getMeshCollectorByCondition(query: MeshCollectorQuery): MeshCollector;
    releaseMeshCollector(collector: MeshCollector): void;
    getRootGroup(): Object3D | null;
    getInternalData?(): import('../mesh-helper/mesh').InternalData | undefined;
}
/**
 * 构件样式辅助器
 * 通过 show 表达式控制可见性，通过 conditions 应用条件材质与可选位姿
 */
export declare class StyleHelper {
    private context;
    /** 当前样式配置；在插件上可通过 `plugin.style` 读写（与 `setStyle` 等价） */
    style: StyleConfig | null;
    private styledIdsByAttribute;
    private hiddenIdsByAttribute;
    private originalMaterialByMesh;
    private originalTransformByMesh;
    /** 按收集器实例（interactionGroupKey）挂接 mesh-change */
    private meshChangeHandlers;
    /** 当前样式占用的收集器（用于 clearStyle / 下次 applyStyle 前卸载监听） */
    private styleCollectors;
    constructor(context: StyleHelperContext);
    /**
     * 设置样式
     * @param style 样式配置，传 null 或空对象清除样式
     */
    setStyle(style: StyleConfig | null): void;
    /**
     * 清除样式，恢复默认显示
     */
    clearStyle(): void;
    /**
     * 仅重算并应用 hide，不重建收集器。
     * 由插件在 tile-visibility-change 防抖后调用。
     */
    refreshHiddenIdsOnly(): void;
    private resolveStyleFromTiles;
    private applyStyle;
    /**
     * 瓦片加载完成后重新应用样式（由插件调用）
     */
    onTilesLoadEnd(): void;
    dispose(): void;
}
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