HighlightVisitorImpl: add standard quick-fixes for lambda return value

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/addTypeCast/afterInLambda.java

@@ -0,0 +1,9 @@
+// "Cast to 'int'" "true"
+import java.util.*;
+import java.util.function.*;
+
+class Test {
+  void test() {
+    IntSupplier i = () -> (int) Math.PI;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/addTypeCast/beforeInLambda.java

@@ -0,0 +1,9 @@
+// "Cast to 'int'" "true"
+import java.util.*;
+import java.util.function.*;
+
+class Test {
+  void test() {
+    IntSupplier i = () -> Math.<caret>PI;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/wrapLongWithMathToIntExact/afterInLambda.java

@@ -0,0 +1,17 @@
+// "Wrap using 'Math.toIntExact()'" "true"
+import java.util.function.*;
+
+public class Test {
+
+    void m() {
+
+      LongToIntFunction fn = x -> {
+        if(x > 0) {
+          return Math.toIntExact(x * 2);
+        }
+        return 0;
+      };
+
+    }
+
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/wrapLongWithMathToIntExact/beforeInLambda.java

@@ -0,0 +1,17 @@
+// "Wrap using 'Math.toIntExact()'" "true"
+import java.util.function.*;
+
+public class Test {
+
+    void m() {
+
+      LongToIntFunction fn = x -> {
+        if(x > 0) {
+          return x<caret>*2;
+        }
+        return 0;
+      };
+
+    }
+
+}