CollectMigration: prepare to IncorporateStreamOperationsInspection; fix NewListTerminal to support collections only

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/collect/afterCollectNewObject.java

@@ -0,0 +1,16 @@
+// "Replace with collect" "true"
+
+import java.util.*;
+import java.util.stream.Collectors;
+
+public class Test {
+  MyObj test(List<String> list) {
+      List<String> res = list.stream().filter(s -> !s.isEmpty()).collect(Collectors.toList());
+      return new MyObj(res);
+  }
+
+  private class MyObj {
+    public MyObj(List<String> res) {
+    }
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/collect/beforeCollectNewObject.java

@@ -0,0 +1,20 @@
+// "Replace with collect" "true"
+
+import java.util.*;
+
+public class Test {
+  MyObj test(List<String> list) {
+    List<String> res = new ArrayList<>();
+    for (String s : li<caret>st) {
+      if(!s.isEmpty()) {
+        res.add(s);
+      }
+    }
+    return new MyObj(res);
+  }
+
+  private class MyObj {
+    public MyObj(List<String> res) {
+    }
+  }
+}