REST API Extension Kit 1.2

Array(
    [0] => stdClass Object
        (
            [banner_css_class] => userBanner userBanner--accent
            [display_style_priority] => 0
            [title] => Unregistered / Unconfirmed
            [user_group_id] => 1
            [username_css] => color: red; font-weight: bold;
        )
    ...
)

Array(
    [0] => stdClass Object
        (
            [color_label] => lightGreen
            [css_class] => label label--lightGreen
            [description] => Prefix description here.
            [display_order] => 1
            [is_usable] => 1
            [materialized_order] => 1
            [prefix_group_id] => 0
            [prefix_id] => 1
            [title] => Prefix Name
            [usage_help] =>
        )
    ...
)