https://github.com/spring-projects/spring-framework: Spring Beans (Spring IO)
  • Juergen Hoeller 
Classes supporting the org.springframework.beans.factory package. Contains abstract base classes for BeanFactory implementations. 
/**
 * Classes supporting the {@code org.springframework.beans.factory} package.
 * Contains abstract base classes for {@code BeanFactory} implementations.
 */
@NonNullApi
@NonNullFields
package org.springframework.beans.factory.support;

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