Possible null reference argument for parameter 'item' in 'void List<TValue>.Add(TValue item)'.

Nullability of reference types in value of type 'List<TValue>' doesn't match target type 'IList<TValue?>'.

Parameter 'serviceProvider' is unread.

Non-nullable property 'Bones' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Shaders' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Textures' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Proxies' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Possible null reference argument for parameter 'item' in 'void List<TValue>.Add(TValue item)'.

Nullability of reference types in value of type 'List<TValue>' doesn't match target type 'IList<TValue?>'.