docs: public DescribeEndpointTypesResult withSupportedEndpointTypes(SupportedEndpointType... supportedEndpointTypes) {
          if (this.supportedEndpointTypes == null) {
              setSupportedEndpointTypes(new java.util.ArrayList<SupportedEndpointType>(supportedEndpointTypes.length));
          }
          for (SupportedEndpointType ele : supportedEndpointTypes) {
              this.supportedEndpointTypes.add(ele);
          }
          return this;
      }