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

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

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

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.

The local function 'IsSystemType' is declared but never used