docs: public ListConfigurationsResult withConfigurations(java.util.Map<String, String>... configurations) {
          if (this.configurations == null) {
              setConfigurations(new java.util.ArrayList<java.util.Map<String, String>>(configurations.length));
          }
          for (java.util.Map<String, String> ele : configurations) {
              this.configurations.add(ele);
          }
          return this;
      }