{
    "credit_card_1": "credit_card",
    "credit_card_2": "credit_card",
    "credit_card_3": "credit_card",
    "credit_card_4": "credit_card",
    "credit_card_5": "credit_card",
    "credit_card_6": "credit_card",

    "value_is_hash":        "credit_card",
    "value_is_empty_hash":  "credit_card",
    "value_is_array":       "credit_card",
    "value_is_empty_array": "credit_card"
}