avoid full qualified

Author: arturobernalg

httpcore5/src/main/java/org/apache/hc/core5/pool/RouteSegmentedConnPool.java

@@ -38,6 +38,7 @@
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentLinkedDeque;
 import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.RejectedExecutionException;
@@ -69,7 +70,7 @@
  * there is global headroom; it never scans all routes.</p>
  *
  * @param <R> route key type
- * @param <C> connection type (must be {@link org.apache.hc.core5.io.ModalCloseable})
+ * @param <C> connection type (must be {@link ModalCloseable})
  * @see ManagedConnPool
  * @see PoolReusePolicy
  * @see DisposalCallback
@@ -127,7 +128,7 @@ public RouteSegmentedConnPool(
             t.setDaemon(true);
             return t;
         };
-        this.timeouts = java.util.concurrent.Executors.newSingleThreadScheduledExecutor(tf);
+        this.timeouts = Executors.newSingleThreadScheduledExecutor(tf);
 
         // Asynchronous disposer for slow GRACEFUL closes.
         final int cores = Math.max(2, Runtime.getRuntime().availableProcessors());