coll.insert(new MockObject("bar", 2));
coll.insert(new MockObject("baz", 3));
coll.insert(new MockObject("qux", 4));
AggregationBuilder<MockObjectAggregationResult> builder = new AggregationBuilder<MockObjectAggregationResult>();
builder.match(new MatchAggregation().in("string", "foo", "baz"));
AggregationResult<MockObjectAggregationResult> aggregationResult = coll.aggregate(builder.build(MockObjectAggregationResult.class));
Assert.assertEquals(2, aggregationResult.results().size());
for (MockObjectAggregationResult mockObjectAggregationResult : aggregationResult.results()) {