java method ref highlighting: don't mirror errors of not applicable methods of return type (IDEA-224306)

GitOrigin-RevId: 40b4293c754640445b9fac741eab24261e8060cc

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/VoidConflict.java

@@ -0,0 +1,18 @@
+import java.util.function.Function;
+
+abstract class Logger {
+    public void error(Throwable t) { }
+    public abstract void error(String message, Throwable t, String... details);
+}
+
+public class JavaTest {
+    private static Logger ourLogger = null;
+
+    void test() {
+        test2(<error descr="Bad return type in method reference: cannot convert void to java.lang.Void">ourLogger::error</error>);
+        test3(<error descr="Bad return type in method reference: cannot convert void to java.lang.Integer">ourLogger::error</error>);
+    }
+
+    void test2(Function<Throwable, Void> x) { }
+    void test3(Function<Throwable, Integer> x) { }
+}