Javadoc

(cherry picked from commit 8ebf85e)

Author: garydgregory

httpcore5/src/main/java/org/apache/hc/core5/http/io/entity/EmptyInputStream.java

@@ -34,6 +34,9 @@
  */
 public final class EmptyInputStream extends InputStream {
 
+    /**
+     * Singleton instance of EmptyInputStream.
+     */
     public static final EmptyInputStream INSTANCE = new EmptyInputStream();
 
     private EmptyInputStream() {