Remove the need for javac to generate synthetic methods.

src/main/java/rx/Observable.java

@@ -60,7 +60,7 @@ protected Observable(OnSubscribe<T> f) {
         this.onSubscribe = f;
     }
 
-    private static final RxJavaObservableExecutionHook hook = RxJavaPlugins.getInstance().getObservableExecutionHook();
+    static final RxJavaObservableExecutionHook hook = RxJavaPlugins.getInstance().getObservableExecutionHook();
 
     /**
      * Returns an Observable that will execute the specified function when a {@link Subscriber} subscribes to

src/main/java/rx/Single.java

@@ -111,7 +111,7 @@ private Single(final Observable.OnSubscribe<T> f) {
         this.onSubscribe = f;
     }
 
-    private static final RxJavaObservableExecutionHook hook = RxJavaPlugins.getInstance().getObservableExecutionHook();
+    static final RxJavaObservableExecutionHook hook = RxJavaPlugins.getInstance().getObservableExecutionHook();
 
     /**
      * Returns a Single that will execute the specified function when a {@link SingleSubscriber} executes it or

src/main/java/rx/functions/Actions.java

@@ -43,6 +43,9 @@ private static final class EmptyAction<T0, T1, T2, T3, T4, T5, T6, T7, T8> imple
             Action8<T0, T1, T2, T3, T4, T5, T6, T7>,
             Action9<T0, T1, T2, T3, T4, T5, T6, T7, T8>,
             ActionN {
+        EmptyAction() {
+        }
+
         @Override
         public void call() {
         }

src/main/java/rx/internal/operators/BlockingOperatorMostRecent.java

@@ -63,8 +63,8 @@ public Iterator<T> iterator() {
     private static final class MostRecentObserver<T> extends Subscriber<T> {
         final NotificationLite<T> nl = NotificationLite.instance();
         volatile Object value;
-        
-        private MostRecentObserver(T value) {
+
+        MostRecentObserver(T value) {
             this.value = nl.next(value);
         }
 

src/main/java/rx/internal/operators/BlockingOperatorNext.java

@@ -66,7 +66,7 @@ public Iterator<T> iterator() {
         private Throwable error = null;
         private boolean started = false;
 
-        private NextIterator(Observable<? extends T> items, NextObserver<T> observer) {
+        NextIterator(Observable<? extends T> items, NextObserver<T> observer) {
             this.items = items;
             this.observer = observer;
         }
@@ -149,6 +149,9 @@ private static class NextObserver<T> extends Subscriber<Notification<? extends T
         private final BlockingQueue<Notification<? extends T>> buf = new ArrayBlockingQueue<Notification<? extends T>>(1);
         final AtomicInteger waiting = new AtomicInteger();
 
+        NextObserver() {
+        }
+
         @Override
         public void onCompleted() {
             // ignore

src/main/java/rx/internal/operators/BufferUntilSubscriber.java

@@ -187,7 +187,7 @@ public boolean hasObservers() {
     }
 
     @SuppressWarnings("rawtypes")
-    private final static Observer EMPTY_OBSERVER = new Observer() {
+    final static Observer EMPTY_OBSERVER = new Observer() {
 
         @Override
         public void onCompleted() {

src/main/java/rx/internal/operators/NotificationLite.java

@@ -71,7 +71,7 @@ public String toString() {
 
     private static class OnErrorSentinel implements Serializable {
         private static final long serialVersionUID = 3;
-        private final Throwable e;
+        final Throwable e;
 
         public OnErrorSentinel(Throwable e) {
             this.e = e;

src/main/java/rx/internal/operators/OnSubscribeAmb.java

@@ -271,7 +271,7 @@ private static final class AmbSubscriber<T> extends Subscriber<T> {
         private final Selection<T> selection;
         private boolean chosen;
 
-        private AmbSubscriber(long requested, Subscriber<? super T> subscriber, Selection<T> selection) {
+        AmbSubscriber(long requested, Subscriber<? super T> subscriber, Selection<T> selection) {
             this.subscriber = subscriber;
             this.selection = selection;
             // initial request
@@ -434,7 +434,7 @@ public void request(long n) {
         });
     }
 
-    private static <T> void unsubscribeAmbSubscribers(Collection<AmbSubscriber<T>> ambSubscribers) {
+    static <T> void unsubscribeAmbSubscribers(Collection<AmbSubscriber<T>> ambSubscribers) {
         if(!ambSubscribers.isEmpty()) {
             for (AmbSubscriber<T> other : ambSubscribers) {
                 other.unsubscribe();

src/main/java/rx/internal/operators/OnSubscribeFromIterable.java

@@ -55,7 +55,7 @@ private static final class IterableProducer<T> extends AtomicLong implements Pro
         private final Subscriber<? super T> o;
         private final Iterator<? extends T> it;
 
-        private IterableProducer(Subscriber<? super T> o, Iterator<? extends T> it) {
+        IterableProducer(Subscriber<? super T> o, Iterator<? extends T> it) {
             this.o = o;
             this.it = it;
         }

src/main/java/rx/internal/operators/OnSubscribeRange.java

@@ -46,7 +46,7 @@ private static final class RangeProducer extends AtomicLong implements Producer
         private final int end;
         private long index;
 
-        private RangeProducer(Subscriber<? super Integer> o, int start, int end) {
+        RangeProducer(Subscriber<? super Integer> o, int start, int end) {
             this.o = o;
             this.index = start;
             this.end = end;

src/main/java/rx/internal/operators/OnSubscribeRedo.java

@@ -67,7 +67,7 @@ public Notification<?> call(Notification<?> terminal) {
     };
 
     public static final class RedoFinite implements Func1<Observable<? extends Notification<?>>, Observable<?>> {
-        private final long count;
+        final long count;
 
         public RedoFinite(long count) {
             this.count = count;
@@ -98,7 +98,7 @@ public Notification<?> call(Notification<?> terminalNotification) {
     }
 
     public static final class RetryWithPredicate implements Func1<Observable<? extends Notification<?>>, Observable<? extends Notification<?>>> {
-        private final Func2<Integer, Throwable, Boolean> predicate;
+        final Func2<Integer, Throwable, Boolean> predicate;
 
         public RetryWithPredicate(Func2<Integer, Throwable, Boolean> predicate) {
             this.predicate = predicate;
@@ -173,10 +173,10 @@ public static <T> Observable<T> redo(Observable<T> source, Func1<? super Observa
         return create(new OnSubscribeRedo<T>(source, notificationHandler, false, false, scheduler));
     }
 
-    private final Observable<T> source;
+    final Observable<T> source;
     private final Func1<? super Observable<? extends Notification<?>>, ? extends Observable<?>> controlHandlerFunction;
-    private final boolean stopOnComplete;
-    private final boolean stopOnError;
+    final boolean stopOnComplete;
+    final boolean stopOnError;
     private final Scheduler scheduler;
 
     private OnSubscribeRedo(Observable<T> source, Func1<? super Observable<? extends Notification<?>>, ? extends Observable<?>> f, boolean stopOnComplete, boolean stopOnError,

src/main/java/rx/internal/operators/OnSubscribeRefCount.java

@@ -38,13 +38,13 @@
 public final class OnSubscribeRefCount<T> implements OnSubscribe<T> {
 
     private final ConnectableObservable<? extends T> source;
-    private volatile CompositeSubscription baseSubscription = new CompositeSubscription();
-    private final AtomicInteger subscriptionCount = new AtomicInteger(0);
+    volatile CompositeSubscription baseSubscription = new CompositeSubscription();
+    final AtomicInteger subscriptionCount = new AtomicInteger(0);
 
     /**
      * Use this lock for every subscription and disconnect action.
      */
-    private final ReentrantLock lock = new ReentrantLock();
+    final ReentrantLock lock = new ReentrantLock();
 
     /**
      * Constructor.

src/main/java/rx/internal/operators/OnSubscribeToObservableFuture.java

@@ -41,7 +41,7 @@ private OnSubscribeToObservableFuture() {
     }
 
     /* package accessible for unit tests */static class ToObservableFuture<T> implements OnSubscribe<T> {
-        private final Future<? extends T> that;
+        final Future<? extends T> that;
         private final long time;
         private final TimeUnit unit;
 

src/main/java/rx/internal/operators/OnSubscribeUsing.java

@@ -105,7 +105,7 @@ private static final class DisposeAction<Resource> extends AtomicBoolean impleme
         private Action1<? super Resource> dispose;
         private Resource resource;
 
-        private DisposeAction(Action1<? super Resource> dispose, Resource resource) {
+        DisposeAction(Action1<? super Resource> dispose, Resource resource) {
             this.dispose = dispose;
             this.resource = resource;
             lazySet(false); // StoreStore barrier

src/main/java/rx/internal/operators/OperatorAll.java

@@ -28,7 +28,7 @@
  * <img width="640" src="https://github.com/ReactiveX/RxJava/wiki/images/rx-operators/all.png" alt="">
  */
 public final class OperatorAll<T> implements Operator<Boolean, T> {
-    private final Func1<? super T, Boolean> predicate;
+    final Func1<? super T, Boolean> predicate;
 
     public OperatorAll(Func1<? super T, Boolean> predicate) {
         this.predicate = predicate;

src/main/java/rx/internal/operators/OperatorAny.java

@@ -27,8 +27,8 @@
  * an observable sequence satisfies a condition, otherwise <code>false</code>.
  */
 public final class OperatorAny<T> implements Operator<Boolean, T> {
-    private final Func1<? super T, Boolean> predicate;
-    private final boolean returnOnEmpty;
+    final Func1<? super T, Boolean> predicate;
+    final boolean returnOnEmpty;
 
     public OperatorAny(Func1<? super T, Boolean> predicate, boolean returnOnEmpty) {
         this.predicate = predicate;

src/main/java/rx/internal/operators/OperatorAsObservable.java

@@ -37,7 +37,7 @@ private static final class Holder {
     public static <T> OperatorAsObservable<T> instance() {
         return (OperatorAsObservable<T>)Holder.INSTANCE;
     }
-    private OperatorAsObservable() { }
+    OperatorAsObservable() { }
     @Override
     public Subscriber<? super T> call(Subscriber<? super T> s) {
         return s;

src/main/java/rx/internal/operators/OperatorCast.java

@@ -24,7 +24,7 @@
  */
 public class OperatorCast<T, R> implements Operator<R, T> {
 
-    private final Class<R> castClass;
+    final Class<R> castClass;
 
     public OperatorCast(Class<R> castClass) {
         this.castClass = castClass;

src/main/java/rx/internal/operators/OperatorConcat.java

@@ -50,7 +50,7 @@ private static final class Holder {
     public static <T> OperatorConcat<T> instance() {
         return (OperatorConcat<T>)Holder.INSTANCE;
     }
-    private OperatorConcat() { }
+    OperatorConcat() { }
     @Override
     public Subscriber<? super Observable<? extends T>> call(final Subscriber<? super T> child) {
         final SerializedSubscriber<T> s = new SerializedSubscriber<T>(child);

src/main/java/rx/internal/operators/OperatorDematerialize.java

@@ -42,7 +42,7 @@ private static final class Holder {
     public static OperatorDematerialize instance() {
         return Holder.INSTANCE; // using raw types because the type inference is not good enough
     }
-    private OperatorDematerialize() { }
+    OperatorDematerialize() { }
     @Override
     public Subscriber<? super Notification<T>> call(final Subscriber<? super T> child) {
         return new Subscriber<Notification<T>>(child) {

src/main/java/rx/internal/operators/OperatorDoOnEach.java

@@ -25,7 +25,7 @@
  * Converts the elements of an observable sequence to the specified type.
  */
 public class OperatorDoOnEach<T> implements Operator<T, T> {
-    private final Observer<? super T> doOnEachObserver;
+    final Observer<? super T> doOnEachObserver;
 
     public OperatorDoOnEach(Observer<? super T> doOnEachObserver) {
         this.doOnEachObserver = doOnEachObserver;

src/main/java/rx/internal/operators/OperatorDoOnRequest.java

@@ -28,7 +28,7 @@
  */
 public class OperatorDoOnRequest<T> implements Operator<T, T> {
 
-    private final Action1<Long> request;
+    final Action1<Long> request;
 
     public OperatorDoOnRequest(Action1<Long> request) {
         this.request = request;
@@ -55,7 +55,7 @@ public void request(long n) {
     private static final class ParentSubscriber<T> extends Subscriber<T> {
         private final Subscriber<? super T> child;
 
-        private ParentSubscriber(Subscriber<? super T> child) {
+        ParentSubscriber(Subscriber<? super T> child) {
             this.child = child;
         }
 

src/main/java/rx/internal/operators/OperatorElementAt.java

@@ -26,9 +26,9 @@
  */
 public final class OperatorElementAt<T> implements Operator<T, T> {
 
-    private final int index;
-    private final boolean hasDefault;
-    private final T defaultValue;
+    final int index;
+    final boolean hasDefault;
+    final T defaultValue;
 
     public OperatorElementAt(int index) {
         this(index, null, false);

src/main/java/rx/internal/operators/OperatorFilter.java

@@ -27,7 +27,7 @@
  */
 public final class OperatorFilter<T> implements Operator<T, T> {
 
-    private final Func1<? super T, Boolean> predicate;
+    final Func1<? super T, Boolean> predicate;
 
     public OperatorFilter(Func1<? super T, Boolean> predicate) {
         this.predicate = predicate;

src/main/java/rx/internal/operators/OperatorIgnoreElements.java

@@ -29,7 +29,7 @@ public static <T> OperatorIgnoreElements<T> instance() {
         return (OperatorIgnoreElements<T>) Holder.INSTANCE;
     }
 
-    private OperatorIgnoreElements() {
+    OperatorIgnoreElements() {
 
     }
 

src/main/java/rx/internal/operators/OperatorMap.java

@@ -28,7 +28,7 @@
  */
 public final class OperatorMap<T, R> implements Operator<R, T> {
 
-    private final Func1<? super T, ? extends R> transformer;
+    final Func1<? super T, ? extends R> transformer;
 
     public OperatorMap(Func1<? super T, ? extends R> transformer) {
         this.transformer = transformer;

src/main/java/rx/internal/operators/OperatorMapNotification.java

@@ -34,9 +34,9 @@
  */
 public final class OperatorMapNotification<T, R> implements Operator<R, T> {
 
-    private final Func1<? super T, ? extends R> onNext;
-    private final Func1<? super Throwable, ? extends R> onError;
-    private final Func0<? extends R> onCompleted;
+    final Func1<? super T, ? extends R> onNext;
+    final Func1<? super Throwable, ? extends R> onError;
+    final Func0<? extends R> onCompleted;
 
     public OperatorMapNotification(Func1<? super T, ? extends R> onNext, Func1<? super Throwable, ? extends R> onError, Func0<? extends R> onCompleted) {
         this.onNext = onNext;
@@ -58,8 +58,8 @@ final class MapNotificationSubscriber extends Subscriber<T> {
         private final Subscriber<? super R> o;
         private final ProducerArbiter pa;
         final SingleEmitter<R> emitter;
-        
-        private MapNotificationSubscriber(ProducerArbiter pa, Subscriber<? super R> o) {
+
+        MapNotificationSubscriber(ProducerArbiter pa, Subscriber<? super R> o) {
             this.pa = pa;
             this.o = o;
             this.emitter = new SingleEmitter<R>(o, pa, this);

src/main/java/rx/internal/operators/OperatorMaterialize.java

@@ -47,7 +47,7 @@ public static <T> OperatorMaterialize<T> instance() {
         return (OperatorMaterialize<T>) Holder.INSTANCE;
     }
 
-    private OperatorMaterialize() {
+    OperatorMaterialize() {
     }
 
     @Override

src/main/java/rx/internal/operators/OperatorMerge.java

@@ -90,7 +90,7 @@ public static <T> OperatorMerge<T> instance(boolean delayErrors, int maxConcurre
     final boolean delayErrors;
     final int maxConcurrent;
 
-    private OperatorMerge(boolean delayErrors, int maxConcurrent) {
+    OperatorMerge(boolean delayErrors, int maxConcurrent) {
         this.delayErrors = delayErrors;
         this.maxConcurrent = maxConcurrent;
     }

src/main/java/rx/internal/operators/OperatorMulticast.java

@@ -46,9 +46,9 @@ public final class OperatorMulticast<T, R> extends ConnectableObservable<R> {
     final List<Subscriber<? super R>> waitingForConnect;
 
     /** Guarded by guard. */
-    private Subscriber<T> subscription;
+    Subscriber<T> subscription;
     // wraps subscription above for unsubscription using guard
-    private Subscription guardedSubscription;
+    Subscription guardedSubscription;
 
     public OperatorMulticast(Observable<? extends T> source, final Func0<? extends Subject<? super T, ? extends R>> subjectFactory) {
         this(new Object(), new AtomicReference<Subject<? super T, ? extends R>>(), new ArrayList<Subscriber<? super R>>(), source, subjectFactory);

src/main/java/rx/internal/operators/OperatorOnBackpressureBuffer.java

@@ -39,8 +39,8 @@ private static class Holder {
     public static <T> OperatorOnBackpressureBuffer<T> instance() {
         return (OperatorOnBackpressureBuffer<T>) Holder.INSTANCE;
     }
-    
-    private OperatorOnBackpressureBuffer() {
+
+    OperatorOnBackpressureBuffer() {
         this.capacity = null;
         this.onOverflow = null;
     }

src/main/java/rx/internal/operators/OperatorOnBackpressureDrop.java

@@ -38,9 +38,9 @@ public static <T> OperatorOnBackpressureDrop<T> instance() {
         return (OperatorOnBackpressureDrop<T>)Holder.INSTANCE;
     }
 
-    private final Action1<? super T> onDrop;
+    final Action1<? super T> onDrop;
 
-    private OperatorOnBackpressureDrop() {
+    OperatorOnBackpressureDrop() {
         this(null);
     }
 

src/main/java/rx/internal/operators/OperatorOnBackpressureLatest.java

@@ -194,7 +194,7 @@ void emit() {
     static final class LatestSubscriber<T> extends Subscriber<T> {
         private final LatestEmitter<T> producer;
 
-        private LatestSubscriber(LatestEmitter<T> producer) {
+        LatestSubscriber(LatestEmitter<T> producer) {
             this.producer = producer;
         }
 

src/main/java/rx/internal/operators/OperatorOnErrorResumeNextViaFunction.java

@@ -43,7 +43,7 @@
  */
 public final class OperatorOnErrorResumeNextViaFunction<T> implements Operator<T, T> {
 
-    private final Func1<Throwable, ? extends Observable<? extends T>> resumeFunction;
+    final Func1<Throwable, ? extends Observable<? extends T>> resumeFunction;
 
     public OperatorOnErrorResumeNextViaFunction(Func1<Throwable, ? extends Observable<? extends T>> f) {
         this.resumeFunction = f;