Index: trunk/src/org/openstreetmap/josm/data/imagery/vectortile/mapbox/style/MapboxVectorStyle.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/imagery/vectortile/mapbox/style/MapboxVectorStyle.java	(revision 17989)
+++ trunk/src/org/openstreetmap/josm/data/imagery/vectortile/mapbox/style/MapboxVectorStyle.java	(revision 17990)
@@ -282,3 +282,11 @@
         return Objects.hash(this.name, this.version, this.glyphUrl, this.spriteUrl, this.sources);
     }
+
+    @Override
+    public String toString() {
+        return "MapboxVectorStyle [version=" + version + ", " + (name != null ? "name=" + name + ", " : "")
+                + (spriteUrl != null ? "spriteUrl=" + spriteUrl + ", " : "")
+                + (glyphUrl != null ? "glyphUrl=" + glyphUrl + ", " : "")
+                + (sources != null ? "sources=" + sources : "") + "]";
+    }
 }