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#ts
tt_content {
    stdWrap {
        innerWrap {
            cObject {
                default.20.40 = CASE
                default.20.40 {
                    key.field = layout

                    1 = TEXT
                    1.value = img-responsive

                    2 = TEXT
                    2.value = img-circle

                    default = TEXT
                    default.value = default-class
                }
            }
        }
    }

    image {
        20 {
            1 {
                params.cObject = TEXT
                params.cObject {
                    wrap = class="|"
                    cObject < tt_content.stdWrap.innerWrap.cObject.default.20.40
                }
            }
        }
    }
}

# TSConfig on page
TCEFORM.tt_content {
    layout {
        altLabels {
            1 = Responsive
            2 = Circle
        }
    }
}