package java.io; import checkers.javari.quals.*; public abstract class OutputStream implements Closeable, Flushable { public abstract void write(int b) throws IOException; public void write(byte @ReadOnly [] b) throws IOException { throw new RuntimeException("skeleton method"); } public void write(byte @ReadOnly [] b, int off, int len) 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"); } }