import { ContextManager, Observable } from '@zcomponent/core';
import { Mesh, MeshConstructorProps } from './Mesh';
/**
 *
 * A mesh component that receives shadows.
 * Root element: [THREE.Mesh](https://threejs.org/docs/index.html#api/en/objects/Mesh)
 * @zcomponent
 * @zgroup Meshes
 * @zicon capture
 * @ztag three/Object3D/ShadowPlane
 * @zparents three/Object3D/Group/**
 */
export declare class ShadowPlane extends Mesh {
    private _mesh;
    private _material;
    constructor(contextManager: ContextManager, props: MeshConstructorProps);
    /**
     * The opacity of the shadow.
     * @zprop
     * @zgroup Appearance
     * @zgrouppriority 11
     * @ztypehint proportion
     * @zdefault 0.2
     */
    opacity: Observable<number, never>;
    /**
     * Disposes of the mesh.
     */
    dispose(): never;
}