https://github.com/spring-projects/spring-framework: Spring Context (Spring IO)
  • Juergen Hoeller 
Annotation support for the Application Context, including JSR-250 "common"
annotations, component-scanning, and Java-based metadata for creating
Spring-managed objects.

/**
 * Annotation support for the Application Context, including JSR-250 "common"
 * annotations, component-scanning, and Java-based metadata for creating
 * Spring-managed objects.
 */
@NonNullApi
@NonNullFields
package org.springframework.context.annotation;

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