code: public static void toCsv(final HttpConfig delegate, final String contentType, final Character separator, final Character quote) {
          delegate.context(contentType, Context.ID, new Context(separator, quote));
          delegate.getRequest().encoder(contentType, Csv::encode);
          delegate.getResponse().parser(contentType, Csv::parse);
      }
docs: Used to configure the OpenCsv encoder/parser in the configuration context for the specified content type.
  
  @param delegate the configuration object
  @param contentType the content type to be registered
  @param separator the CSV column separator character
  @param quote the CSV quote character