For more details, please refer to the ID3 Chapter Frame specifications:
idToValue.put(FRAME_ID_CHAPTER, "Chapter"); idToValue.put(FRAME_ID_TABLE_OF_CONTENT, "Table of content"); createMaps(); multipleFrames = new TreeSet<String>(); discardIfFileAlteredFrames = new TreeSet<String>();
if (id3v2ChapterFrames == null) { id3v2ChapterFrames = new ID3v2ChapterFrames(); } return id3v2ChapterFrames;