code: public java.util.List<String> getEcsClusterArns() {
          if (ecsClusterArns == null) {
              ecsClusterArns = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return ecsClusterArns;
      }
docs: <p>
  A list of ARNs, one for each cluster to be described.
  </p>
  
  @return A list of ARNs, one for each cluster to be described.