package java.io; import checkers.nullness.quals.*; @checkers.quals.DefaultQualifier("checkers.nullness.quals.NonNull") public abstract interface ObjectOutput extends DataOutput { public abstract void writeObject(Object a1) throws IOException; public abstract void write(int a1) throws IOException; public abstract void write(byte[] a1) throws IOException; public abstract void write(byte[] a1, int a2, int a3) throws IOException; public abstract void flush() throws IOException; public abstract void close() throws IOException; }