private void writeUnitsOfIndentation(int i) throws IOException {
  for (; i > 0; i--) {
    writer.write(INDENTATION_UNIT);
  }
}

private void writeUnitsOfIndentation ( int i ) throws IOException { for ( ; i > 0 ; i -- ) { writer . write ( INDENTATION_UNIT ) ; } }
write the specified number of indentation units to the writer .
