code: public ListResourceServersResult withResourceServers(ResourceServerType... resourceServers) {
          if (this.resourceServers == null) {
              setResourceServers(new java.util.ArrayList<ResourceServerType>(resourceServers.length));
          }
          for (ResourceServerType ele : resourceServers) {
              this.resourceServers.add(ele);
          }
          return this;
      }
docs: <p>
  The resource servers.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setResourceServers(java.util.Collection)} or {@link #withResourceServers(java.util.Collection)} if you
  want to override the existing values.
  </p>
  
  @param resourceServers
  The resource servers.
  @return Returns a reference to this object so that method calls can be chained together.