private function buildValidation(&$isCaseSensitive)
 {
     $validationBuilder = new TextEntryInteractionValidationBuilder([$this->interaction->getResponseIdentifier()], [$this->interaction->getResponseIdentifier() => $this->responseDeclaration]);
     $validation = $validationBuilder->buildValidation($this->responseProcessingTemplate);
     $isCaseSensitive = $validationBuilder->isCaseSensitive();
     return $validation;
 }
 public function buildValidation(array $interactionIdentifiers, &$isCaseSensitive)
 {
     $validationBuilder = new TextEntryInteractionValidationBuilder($interactionIdentifiers, $this->responseDeclarations);
     $validation = $validationBuilder->buildValidation($this->responseProcessingTemplate);
     $isCaseSensitive = $validationBuilder->isCaseSensitive();
     return $validation;
 }