https://github.com/spring-projects/spring-framework: Spring Transaction (Spring IO)
  • Juergen Hoeller 
Integration package that allows for deploying a Spring application context
as a JCA 1.7 compliant RAR file.

/**
 * Integration package that allows for deploying a Spring application context
 * as a JCA 1.7 compliant RAR file.
 */
@NonNullApi
@NonNullFields
package org.springframework.jca.context;

import org.springframework.lang.NonNullApi;
import org.springframework.lang.NonNullFields;