= 200) {
              alert("The certificate was successfully revoked.");
            }
          } catch (error) {
            this.handleHttpError(error);
          }

          this.details.sending = false;
          this.details.modalActive = false;
        },
        toUnicode(value) {
          return punycode.toUnicode(value);
        },
        formatCreatedOn(value) {
          return new Date(value).toLocaleString();
        },
        formatExpiresOn(value) {
          const date = new Date(valu