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