code: function addOperationGetter(
          $methodName,
          OperationDefinition $operation,
          OperationGenerator $operationGenerator
      ) {
          $operationName = $this->normalizeMethodName($methodName);
          $operationClassName = $this->normalizeClassName($methodName);
          $methodGenerator = new MethodGenerator($operationName);
  
          $apiParameters = $this->getAPIParameters();
  
          $body = '';
  
          //All required parameters must be passed in when the operation is created.
          $requiredParameters = $operation->getRequiredParams();
          
          $paramsStrings = [];
          $requiredParamsStringsWithDollar = [];
          $tags = [];
  
          $requiredParamsStringsWithDollar[] = '$this';
          
          foreach($requiredParameters as $requiredParam) {
              $translatedParam = ucfirst($this->translateParameter($requiredParam->getName()));
              $normalizedParamName = normalizeParamName($requiredParam->getName());
              
              
              if (array_key_exists($requiredParam->getName(), $apiParameters) == true) {
                  $requiredParamsStringsWithDollar[] = sprintf(
                      '$this->get%s()',
                      $translatedParam
                  );
              }
              else {
                  $paramsStrings[] = $normalizedParamName;
                  $tags[] = new GenericTag(
                      'param',
                      $requiredParam->getType().' $'.$requiredParam->getName().' '.$requiredParam->getDescription()
                  );
                  //TODO - replace with array_map on $paramsStrings
                  $requiredParamsStringsWithDollar[] = '$'.$normalizedParamName;
              }
          }
  
          $paramString = implode(', ', $requiredParamsStringsWithDollar);
          $methodGenerator->setParameters($paramsStrings);
      
          $tags[] = new GenericTag(
              'return',
              '\\'.$operationGenerator->getFQCN().' The new operation '
          );
  
          $body .= "\$instance = new $operationClassName($paramString);".PHP_EOL;
          $body .= "return \$instance;".PHP_EOL;
      
          $docBlockGenerator = new DocBlockGenerator($methodName);
          $docBlockGenerator->setLongDescription($operation->getSummary());
          $docBlockGenerator->setTags($tags);
  
          $methodGenerator->setDocBlock($docBlockGenerator);
          $methodGenerator->setBody($body);
          $this->classGenerator->addMethodFromGenerator($methodGenerator);
          $this->interfaceGenerator->addMethodFromGenerator($methodGenerator);
      }
docs: Add the methods that return the operations in the API.