code: @Override
    @Beta
    public <T> T Spy(Class<T> type) {
      invalidMockCreation();
      return null;
    }
docs: Creates a spy with the specified type. If enclosed in a variable assignment, the variable name will be
  used as the spy's name.
  
  Example:
  
  <pre>
  def person = Spy(Person) // type is Person.class, name is "person"
  </pre>
  
  @param type the class type of the spy
  @param <T> the class type of the spy
  
  @return a spy with the specified type