Generate the property type for generated objects (#1467)

Author: stof

src/Exception/ValidationException.php

@@ -13,6 +13,8 @@ final class ValidationException extends ClientException
 {
     /**
      * The input does not satisfy the constraints specified by an Amazon Web Services service.
+     *
+     * @var ValidationExceptionReason::*|null
      */
     private $reason;
 

src/Result/StartExecutionOutput.php

@@ -9,11 +9,15 @@ class StartExecutionOutput extends Result
 {
     /**
      * The Amazon Resource Name (ARN) that identifies the execution.
+     *
+     * @var string
      */
     private $executionArn;
 
     /**
      * The date the execution is started.
+     *
+     * @var \DateTimeImmutable
      */
     private $startDate;
 

src/Result/StopExecutionOutput.php

@@ -9,6 +9,8 @@ class StopExecutionOutput extends Result
 {
     /**
      * The date the execution is stopped.
+     *
+     * @var \DateTimeImmutable
      */
     private $stopDate;