diff --git a/java/java-impl/src/com/intellij/slicer/SliceUtil.java b/java/java-impl/src/com/intellij/slicer/SliceUtil.java
index e918c3c5f7f1..0cb29f54bed6 100644
--- a/java/java-impl/src/com/intellij/slicer/SliceUtil.java
+++ b/java/java-impl/src/com/intellij/slicer/SliceUtil.java
@@ -174,12 +174,13 @@ final class SliceUtil {
           }
         }
       }
-      if (method != null && builder.hasNesting()) {
+      if (method != null) {
         PsiParameter[] parameters = method.getParameterList().getParameters();
         boolean hasFlownParameter = false;
         for (int i = 0; i < parameters.length; i++) {
           Flow paramAnno = isParamFlowAnnotated(method, i);
           if (paramAnno != null && !parameters[i].isVarArgs()) {
+            if (!builder.hasNesting() && !paramAnno.sourceIsContainer()) continue;
             PsiExpression[] args = call.getArgumentList().getExpressions();
             if (args.length > i) {
               JavaSliceBuilder argBuilder = builder.updateNesting(paramAnno);
diff --git a/java/java-tests/testData/codeInsight/slice/backward/UnmodifiableList.java b/java/java-tests/testData/codeInsight/slice/backward/UnmodifiableList.java
new file mode 100644
index 000000000000..768e114b7daa
--- /dev/null
+++ b/java/java-tests/testData/codeInsight/slice/backward/UnmodifiableList.java
@@ -0,0 +1,11 @@
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+class MainTest {
+  public static void main(String[] args) {
+    List<String> list = <flown111>new ArrayList<>();
+    List<String> unmodifiable = <flown1>Collections.unmodifiableList(<flown11>list);
+    System.out.println(<caret>unmodifiable);
+  }
+}
\ No newline at end of file
diff --git a/java/java-tests/testSrc/com/intellij/java/slicer/SliceBackwardTest.java b/java/java-tests/testSrc/com/intellij/java/slicer/SliceBackwardTest.java
index bffa82008522..055e7bcab642 100644
--- a/java/java-tests/testSrc/com/intellij/java/slicer/SliceBackwardTest.java
+++ b/java/java-tests/testSrc/com/intellij/java/slicer/SliceBackwardTest.java
@@ -147,4 +147,5 @@ public class SliceBackwardTest extends SliceTestCase {
   public void testRecordComponent2() throws Exception { doTest();}
   public void testRecordComponent3() throws Exception { doTest();}
   public void testOptionalAsContainer() throws Exception { doTest();}
+  public void testUnmodifiableList() throws Exception { doTest();}
 }
diff --git a/java/jdkAnnotations/java/util/annotations.xml b/java/jdkAnnotations/java/util/annotations.xml
index 41187cdb6857..d43067080b4f 100644
--- a/java/jdkAnnotations/java/util/annotations.xml
+++ b/java/jdkAnnotations/java/util/annotations.xml
@@ -2099,6 +2099,10 @@
   </item>
   <item name="java.util.Collections java.util.Collection&lt;E&gt; checkedCollection(java.util.Collection&lt;E&gt;, java.lang.Class&lt;E&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name="java.util.Collections java.util.Collection&lt;E&gt; checkedCollection(java.util.Collection&lt;E&gt;, java.lang.Class&lt;E&gt;) 1">
     <annotation name="org.jetbrains.annotations.NotNull" />
@@ -2111,6 +2115,10 @@
   </item>
   <item name="java.util.Collections java.util.Collection&lt;T&gt; synchronizedCollection(java.util.Collection&lt;T&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name="java.util.Collections java.util.Collection&lt;T&gt; unmodifiableCollection(java.util.Collection&lt;? extends T&gt;)">
     <annotation name="org.jetbrains.annotations.NotNull" />
@@ -2118,6 +2126,10 @@
   </item>
   <item name="java.util.Collections java.util.Collection&lt;T&gt; unmodifiableCollection(java.util.Collection&lt;? extends T&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name="java.util.Collections java.util.Comparator&lt;T&gt; reverseOrder()">
     <annotation name="org.jetbrains.annotations.NotNull" />
@@ -2164,6 +2176,10 @@
   </item>
   <item name="java.util.Collections java.util.List&lt;E&gt; checkedList(java.util.List&lt;E&gt;, java.lang.Class&lt;E&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name="java.util.Collections java.util.List&lt;E&gt; checkedList(java.util.List&lt;E&gt;, java.lang.Class&lt;E&gt;) 1">
     <annotation name="org.jetbrains.annotations.NotNull" />
@@ -2183,6 +2199,11 @@
       <val name="pure" val="true"/>
     </annotation>
   </item>
+  <item name="java.util.Collections java.util.List&lt;T&gt; nCopies(int, T) 1">
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
+  </item>
   <item name="java.util.Collections java.util.List&lt;T&gt; singletonList(T)">
     <annotation name="org.jetbrains.annotations.NotNull" />
     <annotation name="org.jetbrains.annotations.Unmodifiable" />
@@ -2191,6 +2212,11 @@
       <val name="pure" val="true"/>
     </annotation>
   </item>
+  <item name="java.util.Collections java.util.List&lt;T&gt; singletonList(T) 0">
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
+  </item>
   <item name='java.util.Collections java.util.List&lt;T&gt; synchronizedList(java.util.List&lt;T&gt;)'>
     <annotation name='org.jetbrains.annotations.Contract'>
       <val name="pure" val="true"/>
@@ -2199,6 +2225,10 @@
   </item>
   <item name="java.util.Collections java.util.List&lt;T&gt; synchronizedList(java.util.List&lt;T&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name="java.util.Collections java.util.List&lt;T&gt; unmodifiableList(java.util.List&lt;? extends T&gt;)">
     <annotation name="org.jetbrains.annotations.NotNull" />
@@ -2206,6 +2236,10 @@
   </item>
   <item name="java.util.Collections java.util.List&lt;T&gt; unmodifiableList(java.util.List&lt;? extends T&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name="java.util.Collections java.util.ListIterator&lt;T&gt; emptyListIterator()">
     <annotation name="org.jetbrains.annotations.NotNull" />
@@ -2303,6 +2337,10 @@
   </item>
   <item name="java.util.Collections java.util.Queue&lt;E&gt; checkedQueue(java.util.Queue&lt;E&gt;, java.lang.Class&lt;E&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name="java.util.Collections java.util.Queue&lt;E&gt; checkedQueue(java.util.Queue&lt;E&gt;, java.lang.Class&lt;E&gt;) 1">
     <annotation name="org.jetbrains.annotations.NotNull" />
@@ -2315,6 +2353,10 @@
   </item>
   <item name="java.util.Collections java.util.Queue&lt;T&gt; asLifoQueue(java.util.Deque&lt;T&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name='java.util.Collections java.util.Set&lt;E&gt; checkedSet(java.util.Set&lt;E&gt;, java.lang.Class&lt;E&gt;)'>
     <annotation name='org.jetbrains.annotations.Contract'>
@@ -2324,6 +2366,10 @@
   </item>
   <item name="java.util.Collections java.util.Set&lt;E&gt; checkedSet(java.util.Set&lt;E&gt;, java.lang.Class&lt;E&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name="java.util.Collections java.util.Set&lt;E&gt; checkedSet(java.util.Set&lt;E&gt;, java.lang.Class&lt;E&gt;) 1">
     <annotation name="org.jetbrains.annotations.NotNull" />
@@ -2352,6 +2398,11 @@
       <val name="pure" val="true"/>
     </annotation>
   </item>
+  <item name="java.util.Collections java.util.Set&lt;T&gt; singleton(T) 0">
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
+  </item>
   <item name='java.util.Collections java.util.Set&lt;T&gt; synchronizedSet(java.util.Set&lt;T&gt;)'>
     <annotation name='org.jetbrains.annotations.Contract'>
       <val name="pure" val="true"/>
@@ -2360,6 +2411,10 @@
   </item>
   <item name="java.util.Collections java.util.Set&lt;T&gt; synchronizedSet(java.util.Set&lt;T&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name="java.util.Collections java.util.Set&lt;T&gt; unmodifiableSet(java.util.Set&lt;? extends T&gt;)">
     <annotation name="org.jetbrains.annotations.NotNull" />
@@ -2367,6 +2422,10 @@
   </item>
   <item name="java.util.Collections java.util.Set&lt;T&gt; unmodifiableSet(java.util.Set&lt;? extends T&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name='java.util.Collections java.util.SortedMap&lt;K,V&gt; checkedSortedMap(java.util.SortedMap&lt;K,V&gt;, java.lang.Class&lt;K&gt;, java.lang.Class&lt;V&gt;)'>
     <annotation name='org.jetbrains.annotations.Contract'>
@@ -2413,6 +2472,10 @@
   </item>
   <item name="java.util.Collections java.util.SortedSet&lt;E&gt; checkedSortedSet(java.util.SortedSet&lt;E&gt;, java.lang.Class&lt;E&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name="java.util.Collections java.util.SortedSet&lt;E&gt; checkedSortedSet(java.util.SortedSet&lt;E&gt;, java.lang.Class&lt;E&gt;) 1">
     <annotation name="org.jetbrains.annotations.NotNull" />
@@ -2432,6 +2495,10 @@
   </item>
   <item name="java.util.Collections java.util.SortedSet&lt;T&gt; synchronizedSortedSet(java.util.SortedSet&lt;T&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name="java.util.Collections java.util.SortedSet&lt;T&gt; unmodifiableSortedSet(java.util.SortedSet&lt;T&gt;)">
     <annotation name="org.jetbrains.annotations.NotNull" />
@@ -2439,6 +2506,10 @@
   </item>
   <item name="java.util.Collections java.util.SortedSet&lt;T&gt; unmodifiableSortedSet(java.util.SortedSet&lt;T&gt;) 0">
     <annotation name="org.jetbrains.annotations.NotNull" />
+    <annotation name='org.intellij.lang.annotations.Flow'>
+      <val name="sourceIsContainer" val="true"/>
+      <val name="targetIsContainer" val="true"/>
+    </annotation>
   </item>
   <item name='java.util.Collections void copy(java.util.List&lt;? super T&gt;, java.util.List&lt;? extends T&gt;)'>
     <annotation name='org.jetbrains.annotations.Contract'>