code: public ServerGroupLaunchConfiguration withServerLaunchConfigurations(ServerLaunchConfiguration... serverLaunchConfigurations) {
          if (this.serverLaunchConfigurations == null) {
              setServerLaunchConfigurations(new java.util.ArrayList<ServerLaunchConfiguration>(serverLaunchConfigurations.length));
          }
          for (ServerLaunchConfiguration ele : serverLaunchConfigurations) {
              this.serverLaunchConfigurations.add(ele);
          }
          return this;
      }
docs: <p>
  Launch configuration for servers in the server group.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setServerLaunchConfigurations(java.util.Collection)} or
  {@link #withServerLaunchConfigurations(java.util.Collection)} if you want to override the existing values.
  </p>
  
  @param serverLaunchConfigurations
  Launch configuration for servers in the server group.
  @return Returns a reference to this object so that method calls can be chained together.