The role of a ChunkGenerator is to handle all things related to terrain and structure generation. setGenerationOptions: Arguments: Json Usage: vanilla generation options string Notes: Sets the generator options string. This is the string used by the various vanilla customizable ChunkGenerators for customizing the world generation. disableMapGen: Arguments: String Usage: Disables the provided MapGen type. Types are "CAVES", "CAVES_NETHER", "RAVINE", "END_CITY", "MINESHAFT", "NETHER_BRIDGE", "SCATTERED_FEATURE", "STRONGHOLD", "VILLAGE", "OCEAN_MONUMENT"