import OrbitCamera from "../display/cameras/OrbitCamera";
export declare const gyrateSystem: {
    add: ((item: OrbitCamera, initData?: void | Record<string, any> | undefined) => false | import("@lincode/promiselikes").Cancellable) | ((item: OrbitCamera, initData?: void | Record<string, any> | undefined) => boolean);
    delete: ((item: OrbitCamera) => false | import("@lincode/promiselikes").Cancellable | undefined) | ((item: OrbitCamera) => boolean);
};