package java.util; import checkers.igj.quals.*; @Immutable public class PropertyResourceBundle extends ResourceBundle { public PropertyResourceBundle(java.io.InputStream a1) @AssignsFields throws java.io.IOException { throw new RuntimeException("skeleton method"); } public PropertyResourceBundle(java.io.Reader a1) @AssignsFields throws java.io.IOException { throw new RuntimeException("skeleton method"); } public Object handleGetObject(String a1) @AssignsFields { throw new RuntimeException("skeleton method"); } public Enumeration<String> getKeys() @ReadOnly { throw new RuntimeException("skeleton method"); } }