code: public static void setSunIndentString (@Nonnull final Marshaller aMarshaller, @Nullable final String sIndentString)
    {
      final String sPropertyName = SUN_INDENT_STRING;
      _setProperty (aMarshaller, sPropertyName, sIndentString);
    }
docs: Set the Sun specific property for the indent string.
  
  @param aMarshaller
  The marshaller to set the property. May not be <code>null</code>.
  @param sIndentString
  the value to be set