https://github.com/spring-projects/spring-framework: Spring Context (Spring IO)
  • Juergen Hoeller 
Integration with the JSR-310 java.time package in JDK 8.

/**
 * Integration with the JSR-310 <code>java.time</code> package in JDK 8.
 */
@NonNullApi
@NonNullFields
package org.springframework.format.datetime.standard;

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