{
    "ns2.my_family_1.a_first_variable": "a modified value",
    "ns2.my_family_1.a_sub_family.a_second_variable": "a modified value",
    "ns2.my_family_1.a_new_subfamily.a_second_variable": "a modified value",
    "ns2.my_family_2.a_first_variable": "a value",
    "ns2.my_family_2.a_sub_family.a_second_variable": null,
    "ns2.my_family_3.a_first_variable": "a value",
    "ns2.my_family_3.a_sub_family.a_second_variable": "a modified value 2",
    "ns2.my_family_3.a_new_variable": "a modified value"
}