code: public CreateIssueParams actualHours(BigDecimal actualHours) {
          if (actualHours == null) {
              parameters.add(new NameValuePair("actualHours", ""));
          } else {
              parameters.add(new NameValuePair("actualHours", actualHours.setScale(2, BigDecimal.ROUND_HALF_UP).toPlainString()));
          }
          return this;
      }
docs: Sets the issue actual hours.
  
  @param actualHours the issue actual hours
  @return CreateIssueParams instance