'Head' defines operator == or operator != but does not override Object.Equals(object o)

'Head' defines operator == or operator != but does not override Object.GetHashCode()

'PropertyPath' defines operator == or operator != but does not override Object.Equals(object o)

'PropertyPath' defines operator == or operator != but does not override Object.GetHashCode()

Possible null reference assignment.

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

Unreachable code detected

'Head' defines operator == or operator != but does not override Object.Equals(object o)

'Head' defines operator == or operator != but does not override Object.GetHashCode()