fn create_empty(
_world_path: Option<&Path>,
config: &WorldGeneratorConfigData,
_seed: i64,
_thread_pool: &ThreadPool,
) -> Result<GeneratorOutput, String>fn create_empty(
_world_path: Option<&Path>,
config: &WorldGeneratorConfigData,
_seed: i64,
_thread_pool: &ThreadPool,
) -> Result<GeneratorOutput, String>