export declare const DB_KEY = "ecec4405-7fb1-4b86-8d27-7338eea45683";
export declare const DB_VALUE = "e3257dbc-1ca8-4d57-94a2-37934960f39f";
/**
 * Tests if a value is not from a database
 *
 * @param aValue - the value
 * @returns true if the value exists and if it is not from the database, else false
 */
export declare function isNotFromDataBase(aValue: any): boolean;
/**
 * Adds a key to the item marking it as coming from the local data base
 *
 * @param aValue - the value to work with
 * @returns a value with the marker
 */
export declare function markAsFromDataBase<T>(aValue: T): T;
/**
 * Removes the database marker from the object
 *
 * @param aValue - the value to work with
 * @returns a value without the marker
 */
export declare function removeDataBaseMarker<T>(aValue: T): T;