docs: @Override
      public JDocCommentable apply(String nodeName, JsonNode node, JsonNode parent, JDocCommentable generatableType, Schema schema) {
  
          if (node.asBoolean()) {
              generatableType.javadoc().append("\n(Required)");
  
              if (ruleFactory.getGenerationConfig().isIncludeJsr303Annotations()
                      && generatableType instanceof JFieldVar) {
                  ((JFieldVar) generatableType).annotate(NotNull.class);
              }
  
              if (ruleFactory.getGenerationConfig().isIncludeJsr305Annotations()
                      && generatableType instanceof JFieldVar) {
                  ((JFieldVar) generatableType).annotate(Nonnull.class);
              }
          } else {
              if (ruleFactory.getGenerationConfig().isIncludeJsr305Annotations()
                      && generatableType instanceof JFieldVar) {
                  ((JFieldVar) generatableType).annotate(Nullable.class);
              }
          }
  
          return generatableType;
      }