{
    "ints" : {
        "fortyTwo" : 42,
        "fortyTwoAgain" : ${ints.fortyTwo}
    },

    "floats" : {
        "fortyTwoPointOne" : 42.1,
        "fortyTwoPointOneAgain" : ${floats.fortyTwoPointOne},
        "pointThirtyThree": .33
        "pointThirtyThreeAgain": ${floats.pointThirtyThree}
    },

    "strings" : {
        "abcd" : "abcd",
        "abcdAgain" : ${strings.a}${strings.b}${strings.c}${strings.d},
        "a" : "a",
        "b" : "b",
        "c" : "c",
        "d" : "d",
        "concatenated" : null bar 42 baz true 3.14 hi,
        "double" : "3.14",
        "doubleStartingWithDot": ".33",
        "number" : "57",
        "null" : "null",
        "true" : "true",
        "yes" : "yes",
        "false" : "false",
        "no" : "no"
    },

    "arrays" : {
        "empty" : [],
        "ofInt" : [1, 2, 3],
        "ofString" : [ ${strings.a}, ${strings.b}, ${strings.c} ],
        "ofDouble" : [3.14, 4.14, 5.14],
        "ofNull" : [null, null, null],
        "ofBoolean" : [true, false],
        "ofArray" : [${arrays.ofString}, ${arrays.ofString}, ${arrays.ofString}],
        "ofObject" : [${ints}, ${booleans}, ${strings}],
        "firstElementNotASubst" : [ "a", ${strings.b} ]
    },

    "booleans" : {
        "true" : true,
        "trueAgain" : ${booleans.true},
        "false" : false,
        "falseAgain" : ${booleans.false}
    },

    "nulls" : {
        "null" : null,
        "nullAgain" : ${nulls.null}
    },

    "durations" : {
        "second" : 1s,
        "secondsList" : [1s,2seconds,3 s, 4000],
        "secondAsNumber" : 1000,
        "halfSecond" : 0.5s,
        "millis" : 1 milli,
        "micros" : 2000 micros,
        "largeNanos" : 4878955355435272204ns,
        "plusLargeNanos" : "+4878955355435272204ns",
        "minusLargeNanos" : -4878955355435272204ns
    },

    "periods" : {
        "day" : 1d,
        "dayAsNumber": 2,
        "week": 3 weeks,
        "month": 5 mo,
        "year": 8y
    },

    "memsizes" : {
        "meg" : 1M,
        "megsList" : [1M, 1024K, 1048576],
        "megAsNumber" : 1048576,
        "halfMeg" : 0.5M
    },

    "system" : {
        "javaversion" : ${?java.version},
        "userhome" : ${?user.home},
        "home" : ${?HOME},
        "pwd" : ${?PWD},
        "shell" : ${?SHELL},
        "lang" : ${?LANG},
        "path" : ${?PATH},
        "not_here" : ${?NOT_HERE},
        "concatenated" : Your Java version is ${?system.javaversion} and your user.home is ${?system.userhome}
    }
}