code: public CSVParserBuilder<T, K> usingCharset(String charsetName) {
          return usingCharset(Charset.forName(charsetName));
      }
docs: Specifies charset name to use during parsing. By default Charset.defaultCharset() is used.
  This parser only supports charset that represent separators and digits as single bytes.
  @param charsetName - charset to use during parsing
  @return this parser builder