Interface RequiredLevels<T_ExtraColourLevels>

interface RequiredLevels<T_ExtraColourLevels extends Optional> {
    background: LevelsSet_AccentAlt<T_ExtraColourLevels>;
    heading: {
        "1":
            | "100"
            | "150"
            | "200"
            | "250"
            | "300"
            | "400"
            | "500"
            | "600"
            | "700"
            | "750"
            | "800"
            | "850"
            | "900"
            | T_ExtraColourLevels;
        "10": | "100"
        | "150"
        | "200"
        | "250"
        | "300"
        | "400"
        | "500"
        | "600"
        | "700"
        | "750"
        | "800"
        | "850"
        | "900"
        | T_ExtraColourLevels;
        "2": | "100"
        | "150"
        | "200"
        | "250"
        | "300"
        | "400"
        | "500"
        | "600"
        | "700"
        | "750"
        | "800"
        | "850"
        | "900"
        | T_ExtraColourLevels;
        "3": | "100"
        | "150"
        | "200"
        | "250"
        | "300"
        | "400"
        | "500"
        | "600"
        | "700"
        | "750"
        | "800"
        | "850"
        | "900"
        | T_ExtraColourLevels;
        "4": | "100"
        | "150"
        | "200"
        | "250"
        | "300"
        | "400"
        | "500"
        | "600"
        | "700"
        | "750"
        | "800"
        | "850"
        | "900"
        | T_ExtraColourLevels;
        "5": | "100"
        | "150"
        | "200"
        | "250"
        | "300"
        | "400"
        | "500"
        | "600"
        | "700"
        | "750"
        | "800"
        | "850"
        | "900"
        | T_ExtraColourLevels;
        "6": | "100"
        | "150"
        | "200"
        | "250"
        | "300"
        | "400"
        | "500"
        | "600"
        | "700"
        | "750"
        | "800"
        | "850"
        | "900"
        | T_ExtraColourLevels;
        "7": | "100"
        | "150"
        | "200"
        | "250"
        | "300"
        | "400"
        | "500"
        | "600"
        | "700"
        | "750"
        | "800"
        | "850"
        | "900"
        | T_ExtraColourLevels;
        "8": | "100"
        | "150"
        | "200"
        | "250"
        | "300"
        | "400"
        | "500"
        | "600"
        | "700"
        | "750"
        | "800"
        | "850"
        | "900"
        | T_ExtraColourLevels;
        "9": | "100"
        | "150"
        | "200"
        | "250"
        | "300"
        | "400"
        | "500"
        | "600"
        | "700"
        | "750"
        | "800"
        | "850"
        | "900"
        | T_ExtraColourLevels;
    };
    text: LevelsSet_AccentMin<T_ExtraColourLevels>;
    ui: LevelsSet_AccentMin<T_ExtraColourLevels>;
}