code: public void setIndexFields(java.util.Collection<IndexFieldStatus> indexFields) {
          if (indexFields == null) {
              this.indexFields = null;
              return;
          }
  
          this.indexFields = new com.amazonaws.internal.SdkInternalList<IndexFieldStatus>(indexFields);
      }
docs: <p>
  The index fields configured for the domain.
  </p>
  
  @param indexFields
  The index fields configured for the domain.