public String getSymbol(String symbolName) {
   return symbols.get(symbolName);
 }
 public ScenarioTable getScenario(String scenarioName) {
   return scenarios.get(scenarioName);
 }
 private void replaceExceptionWithExceptionLink(String resultKey) {
   Object result = instructionResults.get(resultKey);
   if (result instanceof String) replaceIfUnignoredException(resultKey, (String) result);
 }