public net.minecraft.world.gen.ChunkProviderServer field_73247_e # chunkLoader
public net.minecraft.world.chunk.storage.AnvilChunkLoader field_75825_d # chunkSaveLocation
public net.minecraft.world.biome.Biome field_76791_y # biomeName
public net.minecraft.world.chunk.Chunk field_76641_n # lastSaveTime