{
    _id: ObjectId("5eec4fd0aee4bf9d2e209e2d"), 
    "docs": [
        {
            "haveMore": {
                "foo1": "x1", 
                "foo2": "x2"
            },
            "haveLess": {
                "bar1": "x1"
            },
            "types": {
                "differentType": NumberLong("55"), 
                "objectIdEqual": ObjectId("5eec4f0aaee4bf9d2e209e2b"), 
                "objectIdDiff": ObjectId("5eec4f0aaee4bf9d2e209e2c"), 
                "stringEqual": "equal", 
                "stringDiff": "equal",
                "longEqual": NumberLong("11"), 
                "longDiff": NumberLong("11"), 
                "decimalEqual": NumberDecimal("99"),
                "decimalDiff": NumberDecimal("99"), 
                "dateEqual": ISODate("2020-06-19T05:36:21.995Z"), 
                "dateDiff": ISODate("2020-06-19T05:36:22.995Z"), 
            }, 
            "arrayEqual": ["a", "b"], 
            "arrayDiffLength": ["a", "b", "c"],
            "arrayObjects": [
                {"foo":{"bar": "baz"}}, 
                {"xoo":{"xar": "xaz"}}
            ], 
            "missingField": "x"
        }, 
        {
            "haveMore": {
                "foo1": "x1", 
            },
            "haveLess": {
                "bar1": "x1",
                "bar2": "x2"
            },
            "types": {
                "differentType": "55", 
                "objectIdEqual": ObjectId("5eec4f0aaee4bf9d2e209e2b"), 
                "objectIdDiff": ObjectId("5eec5020aee4bf9d2e209e2e"), 
                "stringEqual": "equal", 
                "stringDiff": "different",
                "longEqual": NumberLong("11"), 
                "longDiff": NumberLong("99"), 
                "decimalEqual": NumberDecimal("99"),
                "decimalDiff": NumberDecimal("11"), 
                "dateEqual": ISODate("2020-06-19T05:36:21.995Z"), 
                "dateDiff": ISODate("2020-06-19T05:44:39.542Z"), 
            }, 
            "arrayEqual": ["a", "b"], 
            "arrayDiffLength": ["a"], 
            "arrayObjects": [
                {"foo":{"bar": "baz"}}, 
                {"yoo":{"yar": "yaz"}}
            ], 
        }, 
    ]
}