Nullability of reference types in return type doesn't match implemented member 'object IPetroglyphXmlElementParser.Parse(XElement element)' (possibly because of nullability attributes).

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.

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.