This is where the main things can be configured for each dimension. WorldProvider, 
ChunkGenerator, BiomeProvider and BlockReplacements.



setBiomeProvider:
    Arguments:
        String, String
    Usage:
        script name, BiomeProvider type
    Notes:
        Used to set the BiomeProvider script and BiomeProvider type. Neither option may be null. Type options are "SURFACE", "SINGLE", "CUSTOM_LIGHT", "CUSTOM_MEDIUM"

setWorldProvider:
    Arguments:
        String, String
    Usage:
        script name, WorldProvider type
    Notes:
        Used to set the WorldProvider script and WorldProvider type. Either option can be null. Type options are "Overworld", "Nether", "The End"

setChunkGenerator:
    Arguments:
        String, String
    Usage:
        script name, ChunkGenerator type
    Notes:
        Sets the ChunkGenerator script and ChunkGenerator type. The ChunkGenerator type can be null. Type options are "SURFACE", "FLAT", "HELL", "END", "VOID"

setChunkGeneratorType:
    Arguments:
        String
    Usage:
        ChunkProvider type
    Notes:
        Used to set the ChunkGenerator type. Type options are "SURFACE", "FLAT", "HELL", "END", "VOID"

addBlockReplacement:
    Arguments:
        String, String
    Usage:
        script name, BlockReplacement type
    Notes:
        Used to add a BlockReplacement script of the provided type. Type options are "Simple"

setWorldProviderScript:
    Arguments:
        String
    Usage:
        script name
    Notes:
        Used to set the WorldProvider script.

setWorldProviderType:
    Arguments:
        String
    Usage:
        WorldProvider type
    Notes:
        Sets the WorldProvider type. Options are "Overworld", "Nether", "The End"

setChunkGeneratorScript:
    Arguments:
        String
    Usage:
        script name
    Notes:
        Sets the ChunkGenerator script.