code: public DescribeServicesRequest withServices(String... services) {
          if (this.services == null) {
              setServices(new com.amazonaws.internal.SdkInternalList<String>(services.length));
          }
          for (String ele : services) {
              this.services.add(ele);
          }
          return this;
      }
docs: <p>
  A list of services to describe. You may specify up to 10 services to describe in a single operation.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setServices(java.util.Collection)} or {@link #withServices(java.util.Collection)} if you want to override
  the existing values.
  </p>
  
  @param services
  A list of services to describe. You may specify up to 10 services to describe in a single operation.
  @return Returns a reference to this object so that method calls can be chained together.