code: public java.util.List<BootstrapActionConfig> getBootstrapActions() {
          if (bootstrapActions == null) {
              bootstrapActions = new com.amazonaws.internal.SdkInternalList<BootstrapActionConfig>();
          }
          return bootstrapActions;
      }
docs: <p>
  A list of bootstrap actions to run before Hadoop starts on the cluster nodes.
  </p>
  
  @return A list of bootstrap actions to run before Hadoop starts on the cluster nodes.