@Target({ElementType.FIELD, ElementType.METHOD}) 
@Retention(RetentionPolicy.RUNTIME)
public @interface Order
{
    /** The name of the column to use for ordering the elements of the member.
     * @return the name of the ordering column
     */
    String column() default "";

    /** Name of a field or property in the target class that acts as the 
     * ordering field or property for this member.
     * Return the name of the field or property in the target class
     */
    String mappedBy() default "";

    /** The definition of the column(s) to use for ordering.
     * @return the columns to use for ordering
     */
    Column[] columns() default {};

    /** Vendor extensions.
     * @return the vendor extensions
     */
    Extension[] extensions() default {};
}