export declare abstract class BaseVariableManager {
    initBinding(variable: any, bindSource?: any, bindTarget?: any): void;
    notifyInflight(variable: any, status: boolean, data?: any): void;
    /**
     * This method makes the final angular http call that returns an observable.
     * We attach this observable to variable to cancel a network call
     * @param requestParams
     * @param variable
     * @param dbOperation
     */
    httpCall(requestParams: any, variable: any, params?: any): Promise<{}>;
}