https://github.com/spring-projects/spring-framework: Spring Web (Spring IO)
  • Juergen Hoeller 
Classes supporting the org.springframework.web.context package, such as WebApplicationContext implementations and various utility classes. 
/**
 * Classes supporting the {@code org.springframework.web.context} package,
 * such as WebApplicationContext implementations and various utility classes.
 */
@NonNullApi
@NonNullFields
package org.springframework.web.context.support;

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