code: public void setRestorableNodeTypes(java.util.Collection<String> restorableNodeTypes) {
          if (restorableNodeTypes == null) {
              this.restorableNodeTypes = null;
              return;
          }
  
          this.restorableNodeTypes = new com.amazonaws.internal.SdkInternalList<String>(restorableNodeTypes);
      }
docs: <p>
  The list of node types that this cluster snapshot is able to restore into.
  </p>
  
  @param restorableNodeTypes
  The list of node types that this cluster snapshot is able to restore into.