protected boolean getBoolean(Object o) throws IllegalArgumentException, IllegalAccessException {
      return field.getBoolean(o);
    }
Given a class, figure out which fields we're interested in serializing. The class' entire
hierarchy will be traversed and used. Transients and statics will be ignored.

@param clazz the <code>Class</code> we're interested in
@return a list of fields to be used when this class is (de)serialized
geode-core/src/main/java/org/apache/geode/pdx/internal/AutoSerializableManager.java