code: @Override
    public void init(IndexSchema schema, Map<String, String> args) {
      args.put(PARSER_IMPL, MtasPreAnalyzedParser.class.getName());
      super.init(schema, args);
    }
docs: /*
  (non-Javadoc)
  
  @see org.apache.solr.schema.PreAnalyzedField#init(org.apache.solr.schema.
  IndexSchema, java.util.Map)