--- a/mercurial/configitems.py	Tue Feb 28 12:15:19 2023 +0100
+++ b/mercurial/configitems.py	Sat Feb 25 01:07:44 2023 +0100
@@ -704,6 +704,16 @@
 )
 coreconfigitem(
     b'devel',
+    b'sync.dirstate.pre-read-file',
+    default=None,
+)
+coreconfigitem(
+    b'devel',
+    b'sync.dirstate.pre-read-file-timeout',
+    default=2,
+)
+coreconfigitem(
+    b'devel',
     b'strip-obsmarkers',
     default=True,
 )