import PhysicsObjectManager from "../../display/core/PhysicsObjectManager";
import VisibleMixin from "../../display/core/mixins/VisibleMixin";
export declare const configCastShadowSystem: {
    add: ((item: VisibleMixin<import("three").Object3D<import("three").Event>> | PhysicsObjectManager<import("three").Object3D<import("three").Event>>, initData?: void | Record<string, any> | undefined) => false | import("@lincode/promiselikes").Cancellable) | ((item: VisibleMixin<import("three").Object3D<import("three").Event>> | PhysicsObjectManager<import("three").Object3D<import("three").Event>>, initData?: void | Record<string, any> | undefined) => boolean);
};