code: public RadiusSettings withRadiusServers(String... radiusServers) {
          if (this.radiusServers == null) {
              setRadiusServers(new com.amazonaws.internal.SdkInternalList<String>(radiusServers.length));
          }
          for (String ele : radiusServers) {
              this.radiusServers.add(ele);
          }
          return this;
      }
docs: <p>
  An array of strings that contains the IP addresses of the RADIUS server endpoints, or the IP addresses of your
  RADIUS server load balancer.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setRadiusServers(java.util.Collection)} or {@link #withRadiusServers(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param radiusServers
  An array of strings that contains the IP addresses of the RADIUS server endpoints, or the IP addresses of
  your RADIUS server load balancer.
  @return Returns a reference to this object so that method calls can be chained together.