It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import at the very top of the file.

ZenScript
 Copy
import crafttweaker.api.loot.LootContext;

名称	Type	Has Getter	Has Setter
名称 blockEntity	Type BlockEntity?	Has Getter true	Has Setter false
名称 blockState	Type BlockState?	Has Getter true	Has Setter false
名称 damageSource	Type DamageSource?	Has Getter true	Has Setter false
名称 directKillerEntity	Type Entity?	Has Getter true	Has Setter false
名称 explosionRadius	Type float	Has Getter true	Has Setter false
名称 killerEntity	Type Entity?	Has Getter true	Has Setter false
名称 lastDamagePlayer	Type Player?	Has Getter true	Has Setter false
名称 level	Type ServerLevel	Has Getter true	Has Setter false
名称 luck	Type float	Has Getter true	Has Setter false
名称 origin	Type Vec3?	Has Getter true	Has Setter false
名称 random	Type RandomSource	Has Getter true	Has Setter false
名称 thisEntity	Type Entity?	Has Getter true	Has Setter false
名称 tool	Type IItemStack	Has Getter true	Has Setter false