Document all object properties as nullable

The generated objects are performing delayed validation for the required
properties, so they still accept null.

Author: stof

src/CodeGenerator/src/Generator/ObjectGenerator.php

@@ -311,7 +311,8 @@ private function addProperties(StructureShape $shape, ClassBuilder $classBuilder
             }
             $method->setReturnNullable($nullable);
             if ($parameterType) {
-                $property->addComment('@var ' . $parameterType . ($nullable ? '|null' : ''));
+                // Properties are always documented as nullable due to the delayed validation.
+                $property->addComment('@var ' . $parameterType . '|null');
             }
         }
 

src/Core/src/Sts/ValueObject/AssumedRoleUser.php

@@ -11,7 +11,7 @@ final class AssumedRoleUser
      * A unique identifier that contains the role ID and the role session name of the role that is being assumed. The role
      * ID is generated by Amazon Web Services when the role is created.
      *
-     * @var string
+     * @var string|null
      */
     private $assumedRoleId;
 
@@ -21,7 +21,7 @@ final class AssumedRoleUser
      *
      * [^1]: https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_identifiers.html
      *
-     * @var string
+     * @var string|null
      */
     private $arn;
 

src/Core/src/Sts/ValueObject/Credentials.php

@@ -10,28 +10,28 @@ final class Credentials
     /**
      * The access key ID that identifies the temporary security credentials.
      *
-     * @var string
+     * @var string|null
      */
     private $accessKeyId;
 
     /**
      * The secret access key that can be used to sign requests.
      *
-     * @var string
+     * @var string|null
      */
     private $secretAccessKey;
 
     /**
      * The token that users must pass to the service API to use the temporary credentials.
      *
-     * @var string
+     * @var string|null
      */
     private $sessionToken;
 
     /**
      * The date on which the current credentials expire.
      *
-     * @var \DateTimeImmutable
+     * @var \DateTimeImmutable|null
      */
     private $expiration;
 

src/Core/src/Sts/ValueObject/Tag.php

@@ -21,7 +21,7 @@ final class Tag
      *
      * [^1]: https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_iam-limits.html#reference_iam-limits-entity-length
      *
-     * @var string
+     * @var string|null
      */
     private $key;
 
@@ -33,7 +33,7 @@ final class Tag
      *
      * [^1]: https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_iam-limits.html#reference_iam-limits-entity-length
      *
-     * @var string
+     * @var string|null
      */
     private $value;
 

src/Service/AppSync/src/ValueObject/AppSyncRuntime.php

@@ -15,14 +15,14 @@ final class AppSyncRuntime
     /**
      * The `name` of the runtime to use. Currently, the only allowed value is `APPSYNC_JS`.
      *
-     * @var RuntimeName::*
+     * @var RuntimeName::*|null
      */
     private $name;
 
     /**
      * The `version` of the runtime to use. Currently, the only allowed version is `1.0.0`.
      *
-     * @var string
+     * @var string|null
      */
     private $runtimeVersion;
 

src/Service/AppSync/src/ValueObject/AuthorizationConfig.php

@@ -15,7 +15,7 @@ final class AuthorizationConfig
      *
      * - **AWS_IAM**: The authorization type is Signature Version 4 (SigV4).
      *
-     * @var AuthorizationType::*
+     * @var AuthorizationType::*|null
      */
     private $authorizationType;
 

src/Service/AppSync/src/ValueObject/BadRequestDetail.php

@@ -11,7 +11,7 @@ final class BadRequestDetail
     /**
      * Contains the list of errors in the request.
      *
-     * @var CodeError[]
+     * @var CodeError[]|null
      */
     private $codeErrors;
 

src/Service/AppSync/src/ValueObject/CachingConfig.php

@@ -14,7 +14,7 @@ final class CachingConfig
      *
      * Valid values are 1–3,600 seconds.
      *
-     * @var string
+     * @var string|null
      */
     private $ttl;
 
@@ -23,7 +23,7 @@ final class CachingConfig
      *
      * Valid values are entries from the `$context.arguments`, `$context.source`, and `$context.identity` maps.
      *
-     * @var string[]
+     * @var string[]|null
      */
     private $cachingKeys;
 

src/Service/AppSync/src/ValueObject/DynamodbDataSourceConfig.php

@@ -12,14 +12,14 @@ final class DynamodbDataSourceConfig
     /**
      * The table name.
      *
-     * @var string
+     * @var string|null
      */
     private $tableName;
 
     /**
      * The Amazon Web Services Region.
      *
-     * @var string
+     * @var string|null
      */
     private $awsRegion;
 

src/Service/AppSync/src/ValueObject/ElasticsearchDataSourceConfig.php

@@ -15,14 +15,14 @@ final class ElasticsearchDataSourceConfig
     /**
      * The endpoint.
      *
-     * @var string
+     * @var string|null
      */
     private $endpoint;
 
     /**
      * The Amazon Web Services Region.
      *
-     * @var string
+     * @var string|null
      */
     private $awsRegion;