diff --git a/PhpStormStubsMap.php b/PhpStormStubsMap.php
index adf8e6b24..8b76759f0 100644
--- a/PhpStormStubsMap.php
+++ b/PhpStormStubsMap.php
@@ -3790,6 +3790,9 @@ final class PhpStormStubsMap
   'libxml_use_internal_errors' => 'libxml/libxml.php',
   'link' => 'standard/standard_2.php',
   'linkinfo' => 'standard/standard_2.php',
+  'litespeed_finish_request' => 'litespeed/litespeed.php',
+  'litespeed_request_headers' => 'litespeed/litespeed.php',
+  'litespeed_response_headers' => 'litespeed/litespeed.php',
   'locale_accept_from_http' => 'intl/intl.php',
   'locale_add_likely_subtags' => 'intl/intl.php',
   'locale_canonicalize' => 'intl/intl.php',
diff --git a/litespeed/litespeed.php b/litespeed/litespeed.php
new file mode 100644
index 000000000..e5c59da31
--- /dev/null
+++ b/litespeed/litespeed.php
@@ -0,0 +1,7 @@
+<?php
+
+function litespeed_request_headers(): array {}
+
+function litespeed_response_headers(): array|false {}
+
+function litespeed_finish_request(): bool {}
diff --git a/tests/TestData/Providers/Stubs/PhpCoreStubsProvider.php b/tests/TestData/Providers/Stubs/PhpCoreStubsProvider.php
index 08591829d..b845c1218 100644
--- a/tests/TestData/Providers/Stubs/PhpCoreStubsProvider.php
+++ b/tests/TestData/Providers/Stubs/PhpCoreStubsProvider.php
@@ -40,6 +40,7 @@ class PhpCoreStubsProvider
             'iconv',
             'intl',
             'json',
+            'litespeed',
             'mbstring',
             'pcntl',
             'PDO',