OptionalUtil#getMapTypeArgument: support PsiEmptyExpressionImpl input

Fixes EA-125157 - IOE: PsiJavaParserFacadeImpl.createExpressionFromText

java/java-impl/src/com/intellij/codeInspection/util/OptionalUtil.java

@@ -228,8 +228,10 @@ public class OptionalUtil {
   @NotNull
   private static String getMapTypeArgument(PsiExpression expression, PsiType type, PsiExpression falseExpression) {
     if (!(type instanceof PsiClassType)) return "";
-    PsiExpression copy =
-      JavaPsiFacade.getElementFactory(expression.getProject()).createExpressionFromText(expression.getText(), expression);
+    String text = expression.getText();
+    // PsiEmptyExpressionImpl might be passed here
+    if (text.isEmpty()) return "";
+    PsiExpression copy = JavaPsiFacade.getElementFactory(expression.getProject()).createExpressionFromText(text, expression);
     PsiType exprType = copy.getType();
     if (exprType != null &&
         !exprType.equals(PsiType.NULL) &&

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

@@ -0,0 +1,11 @@
+// "Replace with collect" "true"
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class Main {
+  void test(List<String> list) {
+    List<String> result = list.stream().map(s ->).collect(Collectors.toList());
+  }
+}

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

@@ -0,0 +1,13 @@
+// "Replace with collect" "true"
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+  void test(List<String> list) {
+    List<String> result = new ArrayList<>();
+    f<caret>or (String s : list) {
+      result.add(;
+    }
+  }
+}