code: public FileGetFromComputeNodeHeaders withOcpCreationTime(DateTime ocpCreationTime) {
          if (ocpCreationTime == null) {
              this.ocpCreationTime = null;
          } else {
              this.ocpCreationTime = new DateTimeRfc1123(ocpCreationTime);
          }
          return this;
      }
docs: Set the file creation time.
  
  @param ocpCreationTime the ocpCreationTime value to set
  @return the FileGetFromComputeNodeHeaders object itself.