https://github.com/spring-projects/spring-framework: Spring Context (Spring IO)
  • Juergen Hoeller 
Scheduling convenience classes for the java.util.concurrent and javax.enterprise.concurrent packages, allowing to set up a ThreadPoolExecutor or ScheduledThreadPoolExecutor as a bean in a Spring context. Provides support for the native java.util.concurrent interfaces as well as the Spring TaskExecutor mechanism. 
/**
 * Scheduling convenience classes for the {@code java.util.concurrent}
 * and {@code javax.enterprise.concurrent} packages, allowing to set up a
 * ThreadPoolExecutor or ScheduledThreadPoolExecutor as a bean in a Spring
 * context. Provides support for the native {@code java.util.concurrent}
 * interfaces as well as the Spring {@code TaskExecutor} mechanism.
 */
@NonNullApi
@NonNullFields
package org.springframework.scheduling.concurrent;

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