builder.directory(dir) {
            it.put("file.txt", "bytes".bytes)
            it.put("dir/other.txt", "otherBytes".bytes)
        }

        then:
        dir.assertHasDescendants("file.txt", "dir/other.txt")
        dir.file("file.txt").text == "bytes"
        dir.file("dir", "other.txt").text == "otherBytes"
    }

    def "clears existing directory before building"() {
        def dir = tmpDir.createDir("things")

		Description: "Memory that is occupied by runtime mspan structures that are currently being used.",
		Kind:        KindUint64,
	},
	{
		Name:        "/memory/classes/metadata/other:bytes",
		Description: "Memory that is reserved for or used to hold runtime metadata.",
		Kind:        KindUint64,
	},
	{
		Name: "/memory/classes/os-stacks:bytes",

			deps: makeStatDepSet(sysStatsDep),
			compute: func(in *statAggregate, out *metricValue) {
				out.kind = metricKindUint64
				out.scalar = in.sysStats.mSpanInUse
			},
		},
		"/memory/classes/metadata/other:bytes": {
			deps: makeStatDepSet(heapStatsDep, sysStatsDep),
			compute: func(in *statAggregate, out *metricValue) {
				out.kind = metricKindUint64

		in-use.

	/memory/classes/metadata/mspan/inuse:bytes
		Memory that is occupied by runtime mspan structures that are
		currently being used.

	/memory/classes/metadata/other:bytes
		Memory that is reserved for or used to hold runtime metadata.

	/memory/classes/os-stacks:bytes
		Stack memory allocated by the underlying operating system.

			checkUint64(t, name, samples[i].Value.Uint64(), mstats.MSpanInuse)
		case "/memory/classes/metadata/other:bytes":
			checkUint64(t, name, samples[i].Value.Uint64(), mstats.GCSys)
		case "/memory/classes/os-stacks:bytes":
			checkUint64(t, name, samples[i].Value.Uint64(), mstats.StackSys-mstats.StackInuse)
		case "/memory/classes/other:bytes":
			checkUint64(t, name, samples[i].Value.Uint64(), mstats.OtherSys)