diff --git a/java/jsp-base-openapi/src/com/intellij/lang/jsp/JspFileViewProvider.java b/java/jsp-base-openapi/src/com/intellij/lang/jsp/JspFileViewProvider.java
index b92a311519b4..e926f53354a2 100644
--- a/java/jsp-base-openapi/src/com/intellij/lang/jsp/JspFileViewProvider.java
+++ b/java/jsp-base-openapi/src/com/intellij/lang/jsp/JspFileViewProvider.java
@@ -24,4 +24,6 @@ import java.util.Set;
 public interface JspFileViewProvider extends JspxFileViewProvider {
 
   Set<String> getKnownTaglibPrefixes();
+
+  Set<String> getKnownTaglibPrefixes(CharSequence newContent);
 }