Use final

Author: garydgregory

src/main/java/org/apache/commons/io/input/UncheckedBufferedReader.java

@@ -35,7 +35,7 @@
  * @see UncheckedIOException
  * @since 2.12.0
  */
-public class UncheckedBufferedReader extends BufferedReader {
+public final class UncheckedBufferedReader extends BufferedReader {
 
     /**
      * Builds a new {@link UncheckedBufferedReader} instance.