docs: public static void dumpColorset(AiMesh mesh, int colorset) {
          if (!mesh.hasColors(colorset)) {
              System.out.println("mesh has no vertex color set " + colorset);
              return;
          }
          
          for (int i = 0; i < mesh.getNumVertices(); i++) {
              System.out.println("[" + 
                      mesh.getColorR(i, colorset) + ", " + 
                      mesh.getColorG(i, colorset) + ", " + 
                      mesh.getColorB(i, colorset) + ", " + 
                      mesh.getColorA(i, colorset) + "]"
                      );
          }
      }