private CharSequence toCharSequence(Object param) {
      checkNotNull(param);
      // Is it worthwhile optimization?
      if (param instanceof Templates.Fragment) {
        return ((Templates.Fragment) param).toCharSequence();
      }
      return param.toString();
    }
Pragma-like comment indicator just at beginning of the source file used to disable import
post-processing.
generator/src/org/immutables/generator/Output.java