https://github.com/spring-projects/spring-framework: Spring Context (Spring IO)
  • Juergen Hoeller 
Support package for declarative caching configuration, with XML schema being the primary configuration format. See EnableCaching for details on code-based configuration without XML. 
/**
 * Support package for declarative caching configuration, with XML
 * schema being the primary configuration format. See {@link
 * org.springframework.cache.annotation.EnableCaching EnableCaching}
 * for details on code-based configuration without XML.
 */
@NonNullApi
@NonNullFields
package org.springframework.cache.config;

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