import MeshAppendable from "../../display/core/MeshAppendable";
import SpawnPoint from "../../display/SpawnPoint";
import { Point3dType } from "../../utils/isPoint";
export declare const placeAtSystem: {
    add: ((item: MeshAppendable<import("three").Object3D<import("three").Event>>, initData?: {
        target: MeshAppendable | Point3dType | SpawnPoint | string;
    } | undefined) => false | import("@lincode/promiselikes").Cancellable) | ((item: MeshAppendable<import("three").Object3D<import("three").Event>>, initData?: {
        target: MeshAppendable | Point3dType | SpawnPoint | string;
    } | undefined) => boolean);
};