Require a public no args constructor

Fixes #933

Author: timtebeek

src/main/java/org/openrewrite/java/migrate/guava/NoGuavaPredicatesInstanceOf.java

@@ -19,10 +19,7 @@
 import org.openrewrite.java.JavaVisitor;
 import org.openrewrite.java.MethodMatcher;
 import org.openrewrite.java.search.UsesMethod;
-import org.openrewrite.java.tree.J;
-import org.openrewrite.java.tree.JLeftPadded;
-import org.openrewrite.java.tree.JRightPadded;
-import org.openrewrite.java.tree.Space;
+import org.openrewrite.java.tree.*;
 import org.openrewrite.marker.Markers;
 
 import java.util.Set;
@@ -57,13 +54,14 @@ public TreeVisitor<?, ExecutionContext> getVisitor() {
                     public J visitMethodInvocation(J.MethodInvocation method, ExecutionContext ctx) {
                         if (PREDICATES_INSTANCE_OF.matches(method)) {
                             maybeRemoveImport("com.google.common.base.Predicates");
+                            Expression clazz = method.getArguments().get(0);
                             // XXX `JavaTemplate.builder("#{any()}::isInstance")` failed here
                             // TODO Add type information for reference and identifier
                             return new J.MemberReference(
                                     Tree.randomId(),
                                     method.getPrefix(),
                                     Markers.EMPTY,
-                                    JRightPadded.build(method.getArguments().get(0)),
+                                    JRightPadded.build(clazz),
                                     null,
                                     JLeftPadded.build(new J.Identifier(
                                             Tree.randomId(),

src/test/java/org/openrewrite/java/migrate/guava/NoGuavaPredicatesInstanceOfTest.java

@@ -37,7 +37,8 @@ public void defaults(RecipeSpec spec) {
     @Test
     void predicatesEqualToToPredicateIsEqual() {
         rewriteRun(
-          spec -> spec.afterTypeValidationOptions(TypeValidation.none()), // TODO Remove suppression
+          // XXX Pending JavaTemplate support for MemberReference
+          spec -> spec.afterTypeValidationOptions(TypeValidation.none()),
           //language=java
           java(
             """