https://github.com/spring-projects/spring-framework: Spring Context (Spring IO)
  • Juergen Hoeller 
Support classes for the formatting package,
providing common implementations as well as adapters.

/**
 * Support classes for the formatting package,
 * providing common implementations as well as adapters.
 */
@NonNullApi
@NonNullFields
package org.springframework.format.support;

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