module java.beans.BeanDescriptor; import java.beans.FeatureDescriptor; import java.lang.all; class BeanDescriptor : FeatureDescriptor { this(Class beanClass){ implMissing(__FILE__, __LINE__); } this(Class beanClass, Class customizerClass){ implMissing(__FILE__, __LINE__); } Class getBeanClass(){ implMissing(__FILE__, __LINE__); return null; } Class getCustomizerClass() { implMissing(__FILE__, __LINE__); return null; } }