code: 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;
      }
docs: <p>
  Returns configuration details, including the configuration ID, attribute names, and attribute values.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setConfigurations(java.util.Collection)} or {@link #withConfigurations(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param configurations
  Returns configuration details, including the configuration ID, attribute names, and attribute values.
  @return Returns a reference to this object so that method calls can be chained together.