public MeshBasicMaterialBuilder wireframeLinejoin(LineCap wireframeLinejoin) {
   return wireframeLinejoin(wireframeLinejoin.stringValue());
 }
 public MeshBasicMaterialBuilder wireframeLinecap(LineCap wireframeLinecap) {
   return wireframeLinecap(wireframeLinecap.stringValue());
 }