StaticPseudoFunctionalStyleMethodInspection: more clear options, validation of obtained result, part of problems with type parameters are fixed

java/java-tests/testData/inspection/lambdaLibsStatic/transformMethodRef/test.java

@@ -0,0 +1,21 @@
+import com.google.common.collect.Iterables;
+import com.google.common.base.Function;
+
+import java.lang.String;
+import java.util.Collections;
+
+class c {
+  void m() {
+    Iterables.transf<caret>orm(Collections.emptyList(), new Function<String, String> () {
+      @Override
+      public String apply(String input) {
+        java.util.stream.Collectors c;
+        java.util.ArrayList l;
+        System.out.println(input);
+        //do something
+        int i = 1;
+        return input;
+      }
+    })
+  }
+}