Add Missing Import

Restored an import that was lost during a backport Issue gh-4183
2026-07-19 09:35:12 +00:00 · 2020-03-27 15:07:57 -06:00
parent 820b2046fb
commit b95ccc211b
1 changed files with 1 additions and 0 deletions
@@ -17,6 +17,7 @@
 package org.springframework.security.web.authentication.switchuser;

 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.List;
 import javax.servlet.FilterChain;