question: private void keepAnnotated ( Path path ) throws FileNotFoundException { for ( ClassPathElement element : path . getElements ( ) ) { forClazz : for ( String name : element . list ( ) ) { if ( name . endsWith ( CLASS_EXTENSION ) ) { DirectClassFile clazz = path . getClass ( name ) ; if ( hasRuntimeVisibleAnnotation ( clazz ) ) { filesToKeep . add ( name ) ; } else { MethodList methods = clazz . getMethods ( ) ; for ( int i = 0 ; i < methods . size ( ) ; i ++ ) { if ( hasRuntimeVisibleAnnotation ( methods . get ( i ) ) ) { filesToKeep . add ( name ) ; continue forClazz ; } } FieldList fields = clazz . getFields ( ) ; for ( int i = 0 ; i < fields . size ( ) ; i ++ ) { if ( hasRuntimeVisibleAnnotation ( fields . get ( i ) ) ) { filesToKeep . add ( name ) ; continue forClazz ; } } } } } } }
target:  Keep classes annotated with runtime annotations.