@Documented
 @Retention(value=RUNTIME)
public @interface Internal
Program elements annotated @Internal are intended for
 POI internal use only.
 Such elements are not public by design and likely to be removed, have their
 signature change, or have their access level decreased from public to
 protected, package, or private in future versions of POI without notice.
 @Internal elements are eligible for immediate modification or removal and are
 not subject to the POI project policy of deprecating an element for 2 major
 releases before removing.
- Since:
- POI-3.6
- Author:
- Yegor Kozlov