code: public static <T> T getInternalState(Object object, String fieldName) {
  		return WhiteboxImpl.getInternalState(object, fieldName);
  	}
docs: Get the value of a field using reflection. This method will iterate
  through the entire class hierarchy and return the value of the first
  field named <tt>fieldName</tt>. If you want to get a specific field value
  at specific place in the class hierarchy please refer to
  {@link #getInternalState(Object, String, Class)}.
  
  @param object
  the object to modify
  @param fieldName
  the name of the field