code: public void setDBEngineVersions(java.util.Collection<DBEngineVersion> dBEngineVersions) {
          if (dBEngineVersions == null) {
              this.dBEngineVersions = null;
              return;
          }
  
          this.dBEngineVersions = new com.amazonaws.internal.SdkInternalList<DBEngineVersion>(dBEngineVersions);
      }
docs: <p>
  A list of <code>DBEngineVersion</code> elements.
  </p>
  
  @param dBEngineVersions
  A list of <code>DBEngineVersion</code> elements.