code: protected Level createEmptyLevelFromType(final int lineNumber, final LevelType levelType, final String input) {
          // Create the level based on the type
          switch (levelType) {
              case APPENDIX:
                  return new Appendix(null, lineNumber, input);
              case CHAPTER:
                  return new Chapter(null, lineNumber, input);
              case SECTION:
                  return new Section(null, lineNumber, input);
              case PART:
                  return new Part(null, lineNumber, input);
              case PROCESS:
                  return new Process(null, lineNumber, input);
              case INITIAL_CONTENT:
                  return new InitialContent(lineNumber, input);
              default:
                  return new Level(null, lineNumber, input, levelType);
          }
      }
docs: Creates an empty Level using the LevelType to determine which Level subclass to instantiate.
  
  @param lineNumber The line number of the level.
  @param levelType  The Level Type.
  @param input      The string that represents the level, if one exists,
  @return The empty Level subclass object, or a plain Level object if no type matches a subclass.