https://github.com/spring-projects/spring-framework: Spring Context (Spring IO)
  • Juergen Hoeller 
Annotations for declaratively configuring field formatting rules.

/**
 * Annotations for declaratively configuring field formatting rules.
 */
@NonNullApi
@NonNullFields
package org.springframework.format.annotation;

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