third"
                    appearance="empty"
                    on-btnclick="_warningAction"
                    >[[warning]]</button-clab
                  >
                </template>
                <template is="dom-if" if="[[secondary]]">
                  <button-clab
                    type="secondary"
                    appearance="empty"
                    on-btnclick="_secondaryAction"
                    >[[secondary]]</button-clab
                  >
                </template>
           