The local function 'IsSystemType' is declared but never used

The local function 'IsSystemType' is declared but never used

The local function 'IsSystemType' is declared but never used

The local function 'IsSystemType' is declared but never used

Nullability of reference types in return type of 'string? Power.PowerId.get' doesn't match implicitly implemented member 'string? IPower.PowerId.get' (possibly because of nullability attributes).

Nullability of reference types in return type of 'string? Power.PowerName.get' doesn't match implicitly implemented member 'string? IPower.PowerName.get' (possibly because of nullability attributes).

Non-nullable property 'Product' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Category' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Product1' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.