EJB 3.0 Persistence API (javax.persistence)
https://jcp.org/en/jsr/detail?id=220

Copyright 2006 Sun Microsystems, Inc.

Licensed under the Common Development and Distribution License (CDDL)
Version 1.0. You may obtain a copy of the License at

    https://oss.oracle.com/licenses/CDDL

This specification is also available under the GNU General Public License
Version 2 with the Classpath Exception.
