Declare Return Type Of The Function When There Are Two Possible Returned Types?

Jan 25, 2010

I have the following statement, I want to turn it into a Public Shared Function :

If isEmployee Then
Dim employeeInstance As New Employee
employeeInstance = GetEmployeeInstanceByUserId(userId)
Return employeeInstance
Else
Dim studentInstance As New Student
studentInstance = GetStudentInstanceByUserId(userId)
Return studentInstance
End If

Public Shared Function GetWorkerInstance(Byval isEmployee as Boolean) As ...(not sure what to write here)...

There two possible return Type. I'm not sure what I should declare for the function return type.

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