The role of a ChunkGenerator is to handle all things related to terrain and structure 
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"