docs: public void setBugzillaVersion(final String bugzillaVersion) {
          if (bugzillaVersion == null && this.bugzillaVersion == null) {
              return;
          } else if (bugzillaVersion == null) {
              removeChild(this.bugzillaVersion);
              this.bugzillaVersion = null;
          } else if (this.bugzillaVersion == null) {
              this.bugzillaVersion = new KeyValueNode<String>(CommonConstants.CS_BUGZILLA_VERSION_TITLE, bugzillaVersion);
              appendChild(this.bugzillaVersion, false);
          } else {
              this.bugzillaVersion.setValue(bugzillaVersion);
          }
      }