@@ -328,16 +328,16 @@ static <T, A, R> CollectorImpl<T, A, R> of(Supplier<A> supplier,
328328    public  static  <T >
329329    Collector <T , ?, Set <T >> toSet () {
330330        return  CollectorImpl .ofUnsized (HashSet ::new , Set ::add ,
331-             (left , right ) -> {
332-                 if  (left .size () < right .size ()) {
333-                     right .addAll (left );
334-                     return  right ;
335-                 } else  {
336-                     left .addAll (right );
337-                     return  left ;
338-                 }
339-             },
340-             CH_UNORDERED_ID );
331+                                         (left , right ) -> {
332+                                             if  (left .size () < right .size ()) {
333+                                                 right .addAll (left );
334+                                                 return  right ;
335+                                             } else  {
336+                                                 left .addAll (right );
337+                                                 return  left ;
338+                                             }
339+                                         },
340+                                         CH_UNORDERED_ID );
341341    }
342342
343343    /** 
@@ -359,17 +359,17 @@ static <T, A, R> CollectorImpl<T, A, R> of(Supplier<A> supplier,
359359    public  static  <T >
360360    Collector <T , ?, Set <T >> toUnmodifiableSet () {
361361        return  CollectorImpl .ofUnsized (HashSet ::new , Set ::add ,
362-             (left , right ) -> {
363-                 if  (left .size () < right .size ()) {
364-                     right .addAll (left );
365-                     return  right ;
366-                 } else  {
367-                     left .addAll (right );
368-                     return  left ;
369-                 }
370-             },
371-             set  -> (Set <T >) Set .of (set .toArray ()),
372-             CH_UNORDERED_NOID );
362+                                         (left , right ) -> {
363+                                             if  (left .size () < right .size ()) {
364+                                                 right .addAll (left );
365+                                                 return  right ;
366+                                             } else  {
367+                                                 left .addAll (right );
368+                                                 return  left ;
369+                                             }
370+                                         },
371+                                         set  -> (Set <T >) Set .of (set .toArray ()),
372+                                         CH_UNORDERED_NOID );
373373    }
374374
375375    /** 
@@ -380,12 +380,13 @@ static <T, A, R> CollectorImpl<T, A, R> of(Supplier<A> supplier,
380380     * {@code String}, in encounter order 
381381     */ 
382382    public  static  Collector <CharSequence , ?, String > joining () {
383-         return  CollectorImpl .ofUnsized (StringBuilder ::new , StringBuilder ::append ,
384-             (r1 , r2 ) -> {
385-                 r1 .append (r2 );
386-                 return  r1 ;
387-             },
388-             StringBuilder ::toString , CH_NOID );
383+         return  CollectorImpl .ofUnsized (
384+                 StringBuilder ::new , StringBuilder ::append ,
385+                 (r1 , r2 ) -> {
386+                     r1 .append (r2 );
387+                     return  r1 ;
388+                 },
389+                 StringBuilder ::toString , CH_NOID );
389390    }
390391
391392    /** 
@@ -417,10 +418,10 @@ static <T, A, R> CollectorImpl<T, A, R> of(Supplier<A> supplier,
417418                                                             CharSequence  prefix ,
418419                                                             CharSequence  suffix ) {
419420        return  CollectorImpl .of (
420-             () -> new  StringJoiner (delimiter , prefix , suffix ),
421-             exactSize  -> new  StringJoiner (delimiter , prefix , suffix , exactSize ),
422-             StringJoiner ::add , StringJoiner ::merge ,
423-             StringJoiner ::toString , CH_NOID );
421+                  () -> new  StringJoiner (delimiter , prefix , suffix ),
422+                  exactSize  -> new  StringJoiner (delimiter , prefix , suffix , exactSize ),
423+                  StringJoiner ::add , StringJoiner ::merge ,
424+                  StringJoiner ::toString , CH_NOID );
424425    }
425426
426427    /** 
@@ -476,7 +477,7 @@ BinaryOperator<M> mapMerger(BinaryOperator<V> mergeFunction) {
476477                               Collector <? super  U , A , R > downstream ) {
477478        BiConsumer <A , ? super  U > downstreamAccumulator  = downstream .accumulator ();
478479        return  new  CollectorImpl <>(downstream .supplier (), downstream .sizedSupplier (),
479-             (r , t ) -> downstreamAccumulator .accept (r , mapper .apply (t )),
480+                                     (r , t ) -> downstreamAccumulator .accept (r , mapper .apply (t )),
480481                                   downstream .combiner (), downstream .finisher (),
481482                                   downstream .characteristics ());
482483    }
@@ -612,7 +613,7 @@ public static<T,A,R,RR> Collector<T,A,RR> collectingAndThen(Collector<T,A,R> dow
612613            }
613614        }
614615        return  new  CollectorImpl <>(downstream .supplier (), downstream .sizedSupplier (),
615-             downstream .accumulator (),
616+                                     downstream .accumulator (),
616617                                   downstream .combiner (),
617618                                   downstream .finisher ().andThen (finisher ),
618619                                   characteristics );
@@ -1487,10 +1488,10 @@ public void accept(T t) {
14871488        // uniqKeysMapMerger() throws if duplicate keys are encountered, so 
14881489        // presizing is generally beneficial. 
14891490        return  CollectorImpl .of (HashMap ::new ,
1490-             HashMap ::newHashMap ,
1491-             uniqKeysMapAccumulator (keyMapper , valueMapper ),
1492-             uniqKeysMapMerger (),
1493-             CH_ID );
1491+                                  HashMap ::newHashMap ,
1492+                                  uniqKeysMapAccumulator (keyMapper , valueMapper ),
1493+                                  uniqKeysMapMerger (),
1494+                                  CH_ID );
14941495    }
14951496
14961497    /** 
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