Examples of LogicalAndFilter

                .withNamespace(ns)
                .withMapPhase(Function.newNamedJsFunction("Riak.mapValuesJson"))
                .withReducePhase(Function.newErlangFunction("riak_kv_mapreduce", "reduce_sort"),true)
                .withKeyFilter(new TokenizeFilter("_",3))
                .withKeyFilter(new StringToIntFilter())
                .withKeyFilter(new LogicalAndFilter(new LessThanFilter<Integer>(50), new GreaterThanFilter<Integer>(45)))
                .build();
        
        RiakFuture<MapReduce.Response, BinaryValue> future = client.executeAsync(bmr);
        
        future.await();

Examples of com.basho.riak.client.api.commands.mapreduce.filters.LogicalAndFilter

        BucketMapReduce bmr = 
            new BucketMapReduce.Builder()
                .withNamespace(ns)
                .withKeyFilter(new TokenizeFilter("_",3))
                .withKeyFilter(new StringToIntFilter())
                .withKeyFilter(new LogicalAndFilter(new LessThanFilter<Integer>(50), new GreaterThanFilter<Integer>(45)))
                .withMapPhase(Function.newAnonymousJsFunction(
                    "function(value, keydata, arg) {" +
                        "  var data = value.values[0].data;" +
                        "  return [data];" +
                        "}"), true)

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