Fix Checkstyle issues
diff --git a/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/Planes.java b/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/Planes.java
index c9919c0..9e265aa 100644
--- a/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/Planes.java
+++ b/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/Planes.java
@@ -313,8 +313,8 @@
      * @throws IndexOutOfBoundsException if any index into {@code vertices} is out of bounds
      * @see #indexedConvexPolygons(Vector3D[], int[][], DoublePrecisionContext)
      */
-    public static List<ConvexPolygon3D> indexedConvexPolygons(final List<? extends Vector3D> vertices, final int[][] faceIndices,
-            final DoublePrecisionContext precision) {
+    public static List<ConvexPolygon3D> indexedConvexPolygons(final List<? extends Vector3D> vertices,
+            final int[][] faceIndices, final DoublePrecisionContext precision) {
         final int numFaces = faceIndices.length;
         final List<ConvexPolygon3D> polygons = new ArrayList<>(numFaces);
         final List<Vector3D> faceVertices = new ArrayList<>();
diff --git a/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/mesh/SimpleTriangleMesh.java b/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/mesh/SimpleTriangleMesh.java
index 776ce9b..3c5b41d 100644
--- a/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/mesh/SimpleTriangleMesh.java
+++ b/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/threed/mesh/SimpleTriangleMesh.java
@@ -30,7 +30,6 @@
 import java.util.function.Function;
 import java.util.stream.Stream;
 import java.util.stream.StreamSupport;
-
 import org.apache.commons.geometry.core.Transform;
 import org.apache.commons.geometry.core.precision.DoublePrecisionContext;
 import org.apache.commons.geometry.euclidean.threed.BoundarySource3D;
@@ -672,7 +671,8 @@
          * @param map vertex index map
          * @return the index now associated with the given vertex or its equivalent
          */
-        private int addToVertexIndexMap(final Vector3D vertex, final int targetIdx, final Map<? super Vector3D, Integer> map) {
+        private int addToVertexIndexMap(final Vector3D vertex, final int targetIdx,
+                final Map<? super Vector3D, Integer> map) {
             validateCanModify();
 
             final Integer actualIdx = map.putIfAbsent(vertex, targetIdx);
diff --git a/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/twod/RegionBSPTree2D.java b/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/twod/RegionBSPTree2D.java
index 9a250c9..ca7480f 100644
--- a/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/twod/RegionBSPTree2D.java
+++ b/commons-geometry-euclidean/src/main/java/org/apache/commons/geometry/euclidean/twod/RegionBSPTree2D.java
@@ -128,7 +128,8 @@
      *      form the convex areas for any child nodes
      * @param result list containing the results of the computation
      */
-    private void toConvexRecursive(final RegionNode2D node, final ConvexArea nodeArea, final List<? super ConvexArea> result) {
+    private void toConvexRecursive(final RegionNode2D node, final ConvexArea nodeArea,
+            final List<? super ConvexArea> result) {
         if (node.isLeaf()) {
             // base case; only add to the result list if the node is inside
             if (node.isInside()) {