package java.io; import checkers.nullness.quals.*; @checkers.quals.DefaultQualifier("checkers.nullness.quals.NonNull") public abstract class FilterWriter extends Writer { protected FilterWriter() {} public void write(int a1) throws IOException { throw new RuntimeException("skeleton method"); } public void write(char[] a1, int a2, int a3) throws IOException { throw new RuntimeException("skeleton method"); } public void write(String a1, int a2, int a3) throws IOException { throw new RuntimeException("skeleton method"); } public void flush() throws IOException { throw new RuntimeException("skeleton method"); } public void close() throws IOException { throw new RuntimeException("skeleton method"); } }