def METHOD_NAME():
    builder = ak.highlevel.ArrayBuilder()
    builder.begin_record("Dummy")
    builder.field("one")
    builder.integer(1)
    builder.field("two")
    builder.real(1.1)
    builder.end_record()
    builder.begin_record("Dummy")
    builder.field("two")
    builder.real(2.2)
    builder.field("one")
    builder.integer(2)
    builder.end_record()
    a = builder.snapshot()
    assert str(a.layout.form.type) == "Dummy[one: int64, two: float64]"
    assert a.layout.form.type.parameters == {"__record__": "Dummy"}