Nullability of type of parameter 'obj' doesn't match overridden member (possibly because of nullability attributes).

Nullability of type of parameter 'obj' doesn't match overridden member (possibly because of nullability attributes).

Nullability of reference types in value of type 'Multiple<T0?, T1>' doesn't match target type 'Multiple<T0, T1>'.

Nullability of reference types in value of type 'Multiple<T0, T1?>' doesn't match target type 'Multiple<T0, T1>'.

Possible null reference assignment.

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

Possible null reference argument for parameter 'value' in 'Result<T>.Result(T value)'.

Possible null reference argument for parameter 'value' in 'Result<T>.Result(Error value)'.

Possible null reference assignment.