@Override
  public void generateBlockStateModels(BlockStateModelGenerator blockStateModelGenerator) {
    // ...
    
    blockStateModelGenerator.blockStateCollector.accept(
        VariantsBlockModelDefinitionCreator.of(TutorialBlocks.POLISHED_ANDESITE_VERTICAL_SLAB,
                BlockStateModelGenerator.createWeightedVariant(verticalSlabModelId))
            .apply(BlockStateModelGenerator.UV_LOCK)
            .coordinate(BlockStateVariantMap.operations(VerticalSlabBlock.FACING)
                .register(Direction.NORTH, BlockStateModelGenerator.NO_OP)
                .register(Direction.EAST, BlockStateModelGenerator.ROTATE_Y_90)
                .register(Direction.SOUTH, BlockStateModelGenerator.ROTATE_Y_180)
                .register(Direction.WEST, BlockStateModelGenerator.ROTATE_Y_270)));
  }