code: public DescribeVpcEndpointServiceConfigurationsResult withServiceConfigurations(ServiceConfiguration... serviceConfigurations) {
          if (this.serviceConfigurations == null) {
              setServiceConfigurations(new com.amazonaws.internal.SdkInternalList<ServiceConfiguration>(serviceConfigurations.length));
          }
          for (ServiceConfiguration ele : serviceConfigurations) {
              this.serviceConfigurations.add(ele);
          }
          return this;
      }
docs: <p>
  Information about one or more services.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setServiceConfigurations(java.util.Collection)} or
  {@link #withServiceConfigurations(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param serviceConfigurations
  Information about one or more services.
  @return Returns a reference to this object so that method calls can be chained together.