Fix Checkstyle: Max line length is 120.

src/main/java/org/apache/commons/collections4/set/AbstractNavigableSetDecorator.java

@@ -104,7 +104,8 @@ public abstract class AbstractNavigableSetDecorator<E>
     }
 
     @Override
-    public NavigableSet<E> subSet(final E fromElement, final boolean fromInclusive, final E toElement, final boolean toInclusive) {
+    public NavigableSet<E> subSet(final E fromElement, final boolean fromInclusive, final E toElement,
+            final boolean toInclusive) {
         return decorated().subSet(fromElement, fromInclusive, toElement, toInclusive);
     }
 

src/main/java/org/apache/commons/collections4/set/PredicatedNavigableSet.java

@@ -132,7 +132,8 @@ public class PredicatedNavigableSet<E> extends PredicatedSortedSet<E> implements
     }
 
     @Override
-    public NavigableSet<E> subSet(final E fromElement, final boolean fromInclusive, final E toElement, final boolean toInclusive) {
+    public NavigableSet<E> subSet(final E fromElement, final boolean fromInclusive, final E toElement,
+            final boolean toInclusive) {
         final NavigableSet<E> sub = decorated().subSet(fromElement, fromInclusive, toElement, toInclusive);
         return predicatedNavigableSet(sub, predicate);
     }

src/main/java/org/apache/commons/collections4/set/TransformedNavigableSet.java

@@ -153,7 +153,8 @@ public class TransformedNavigableSet<E> extends TransformedSortedSet<E> implemen
     }
 
     @Override
-    public NavigableSet<E> subSet(final E fromElement, final boolean fromInclusive, final E toElement, final boolean toInclusive) {
+    public NavigableSet<E> subSet(final E fromElement, final boolean fromInclusive, final E toElement,
+            final boolean toInclusive) {
         final NavigableSet<E> sub = decorated().subSet(fromElement, fromInclusive, toElement, toInclusive);
         return transformingNavigableSet(sub, transformer);
     }

src/main/java/org/apache/commons/collections4/set/UnmodifiableNavigableSet.java

@@ -137,7 +137,8 @@ public final class UnmodifiableNavigableSet<E>
     }
 
     @Override
-    public NavigableSet<E> subSet(final E fromElement, final boolean fromInclusive, final E toElement, final boolean toInclusive) {
+    public NavigableSet<E> subSet(final E fromElement, final boolean fromInclusive, final E toElement,
+            final boolean toInclusive) {
         final NavigableSet<E> sub = decorated().subSet(fromElement, fromInclusive, toElement, toInclusive);
         return unmodifiableNavigableSet(sub);
     }