Add namespace and deprecation alias to FormatJson

This patch introduces a namespace declaration for the
MediaWiki\Json to FormatJson and establishes a class
alias marked as deprecated since version 1.43.

Bug: T353458
Change-Id: I5e1311e4eb7a878a7db319b725ae262f40671c32

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/phpunit/includes/api/ApiMainTest.php b/tests/phpunit/includes/api/ApiMainTest.php
index 3fd1005cd25a..253560f091eb 100644
--- a/tests/phpunit/includes/api/ApiMainTest.php
+++ b/tests/phpunit/includes/api/ApiMainTest.php
@@ -9,7 +9,6 @@ use ApiErrorFormatter_BackCompat;
 use ApiMain;
 use ApiRawMessage;
 use ApiUsageException;
-use FormatJson;
 use Generator;
 use InvalidArgumentException;
 use LogicException;
@@ -17,6 +16,7 @@ use MediaWiki\Config\Config;
 use MediaWiki\Config\HashConfig;
 use MediaWiki\Config\MultiConfig;
 use MediaWiki\Context\RequestContext;
+use MediaWiki\Json\FormatJson;
 use MediaWiki\Language\RawMessage;
 use MediaWiki\MainConfigNames;
 use MediaWiki\Permissions\Authority;