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