if (jsr175type == null) throw new IllegalArgumentException("null 175 type"); if (annobeanType == null) throw new IllegalArgumentException("null annobeanType"); if (rootDir == null) throw new IllegalArgumentException("null rootDir");
  public void writeAnnobeanTypeFor(JClass jsr175type,                                   String annobeanType,                                   File rootDir) throws IOException {    Properties props = new Properties();    props.setProperty(ANNOBEAN_PROP,annobeanType);    writeProperties(jsr175type,props,rootDir);  }