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