From 0cdbe0fd084c02a15ed9cc010d0e200173ea59c8 Mon Sep 17 00:00:00 2001
From: Max Medvedev <maxim.medvedev@jetbrains.com>
Date: Sun, 12 Oct 2025 15:48:38 +0200
Subject: [PATCH] [java, completion] IJPL-207762 MethodCallInstallerHandler is
 serializable

GitOrigin-RevId: ce77f24156ff15d0ccd09d2336dc7e17235a8b7c
---
 .../resource/intellij.java.frontback.impl.xml   |  1 +
 .../method/JavaMethodCallInsertHandlerHelper.kt |  2 +-
 .../method/MethodCallInstallerHandler.kt        | 17 +++++++++++++++++
 .../completion/JavaMethodCallInsertHandler.kt   |  6 ------
 4 files changed, 19 insertions(+), 7 deletions(-)
 create mode 100644 java/java-frontback-impl/src/com/intellij/codeInsight/completion/method/MethodCallInstallerHandler.kt

diff --git a/java/java-frontback-impl/resource/intellij.java.frontback.impl.xml b/java/java-frontback-impl/resource/intellij.java.frontback.impl.xml
index d48d2ef96d59..a8f3300e3327 100644
--- a/java/java-frontback-impl/resource/intellij.java.frontback.impl.xml
+++ b/java/java-frontback-impl/resource/intellij.java.frontback.impl.xml
@@ -81,6 +81,7 @@
 
     <completion.frontendFriendlyInsertHandler implementationClass="com.intellij.codeInsight.completion.method.DiamondInsertHandler"/>
     <completion.frontendFriendlyInsertHandler implementationClass="com.intellij.codeInsight.completion.method.RefStartInsertHandler"/>
+    <completion.frontendFriendlyInsertHandler implementationClass="com.intellij.codeInsight.completion.method.MethodCallInstallerHandler"/>
 
   </extensions>
 </idea-plugin>
diff --git a/java/java-frontback-impl/src/com/intellij/codeInsight/completion/method/JavaMethodCallInsertHandlerHelper.kt b/java/java-frontback-impl/src/com/intellij/codeInsight/completion/method/JavaMethodCallInsertHandlerHelper.kt
index a93064946f21..5183b9b39e84 100644
--- a/java/java-frontback-impl/src/com/intellij/codeInsight/completion/method/JavaMethodCallInsertHandlerHelper.kt
+++ b/java/java-frontback-impl/src/com/intellij/codeInsight/completion/method/JavaMethodCallInsertHandlerHelper.kt
@@ -39,7 +39,7 @@ object JavaMethodCallInsertHandlerHelper {
     item.putUserData(refStartKey, refStart)
   }
 
-  fun installCall(context: InsertionContext, item: LookupElement) {
+  internal fun installCall(context: InsertionContext, item: LookupElement) {
     val methodCall = findCallAtOffset(context, getReferenceStartOffset(context, item)) ?: return
 
     // make sure this is the method call we've just added, not the enclosing one
diff --git a/java/java-frontback-impl/src/com/intellij/codeInsight/completion/method/MethodCallInstallerHandler.kt b/java/java-frontback-impl/src/com/intellij/codeInsight/completion/method/MethodCallInstallerHandler.kt
new file mode 100644
index 000000000000..03d8a5a6a223
--- /dev/null
+++ b/java/java-frontback-impl/src/com/intellij/codeInsight/completion/method/MethodCallInstallerHandler.kt
@@ -0,0 +1,17 @@
+// Copyright 2000-2025 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package com.intellij.codeInsight.completion.method
+
+import com.intellij.codeInsight.completion.FrontendFriendlyInsertHandler
+import com.intellij.codeInsight.completion.InsertHandler
+import com.intellij.codeInsight.completion.InsertionContext
+import com.intellij.codeInsight.lookup.LookupElement
+import kotlinx.serialization.Serializable
+import org.jetbrains.annotations.ApiStatus
+
+@ApiStatus.Internal
+@Serializable
+class MethodCallInstallerHandler : InsertHandler<LookupElement>, FrontendFriendlyInsertHandler {
+  override fun handleInsert(context: InsertionContext, item: LookupElement) {
+    JavaMethodCallInsertHandlerHelper.installCall(context, item)
+  }
+}
\ No newline at end of file
diff --git a/java/java-impl/src/com/intellij/codeInsight/completion/JavaMethodCallInsertHandler.kt b/java/java-impl/src/com/intellij/codeInsight/completion/JavaMethodCallInsertHandler.kt
index 4bf99e3a4704..f2eb1a83a219 100644
--- a/java/java-impl/src/com/intellij/codeInsight/completion/JavaMethodCallInsertHandler.kt
+++ b/java/java-impl/src/com/intellij/codeInsight/completion/JavaMethodCallInsertHandler.kt
@@ -314,12 +314,6 @@ private class ShowParameterInfoInsertHandler : InsertHandler<JavaMethodCallEleme
   }
 }
 
-private class MethodCallInstallerHandler : InsertHandler<LookupElement> {
-  override fun handleInsert(context: InsertionContext, item: LookupElement) {
-    JavaMethodCallInsertHandlerHelper.installCall(context, item)
-  }
-}
-
 private class MethodCallRegistrationHandler : InsertHandler<JavaMethodCallElement> {
   override fun handleInsert(context: InsertionContext, item: JavaMethodCallElement) {
     val method = item.getObject()