'TheoryData<T1>' does not contain a definition for 'Any' and no accessible extension method 'Any' accepting a first argument of type 'TheoryData<T1>' could be found (are you missing a using directive or an assembly reference?)

Cannot apply indexing with

'TheoryData<T3>' does not contain a definition for 'Any' and no accessible extension method 'Any' accepting a first argument of type 'TheoryData<T3>' could be found (are you missing a using directive or an assembly reference?)

Cannot apply indexing with

'TheoryData<T1>' does not contain a definition for 'Any' and no accessible extension method 'Any' accepting a first argument of type 'TheoryData<T1>' could be found (are you missing a using directive or an assembly reference?)

Cannot apply indexing with

'TheoryData<T4>' does not contain a definition for 'Any' and no accessible extension method 'Any' accepting a first argument of type 'TheoryData<T4>' could be found (are you missing a using directive or an assembly reference?)

Cannot apply indexing with

'TheoryData<T3>' does not contain a definition for 'Any' and no accessible extension method 'Any' accepting a first argument of type 'TheoryData<T3>' could be found (are you missing a using directive or an assembly reference?)

Cannot apply indexing with

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.