code: public java.util.List<Timezone> getSupportedTimezones() {
          if (supportedTimezones == null) {
              supportedTimezones = new com.amazonaws.internal.SdkInternalList<Timezone>();
          }
          return supportedTimezones;
      }
docs: <p>
  A list of the time zones supported by this engine for the <code>Timezone</code> parameter of the
  <code>CreateDBInstance</code> action.
  </p>
  
  @return A list of the time zones supported by this engine for the <code>Timezone</code> parameter of the
  <code>CreateDBInstance</code> action.