<div class="accordion md-accordion" role="tablist" id="accordionObjectSetUp">

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    <div id="accItem_1" class="accordion-item">

        <h2 class="accordion-header" id="head_1">

            <button id="btnTypeHeader_1" class="accordion-button"

                    type="button"

                    data-mdb-toggle="collapse"

                    data-mdb-target="#group_1"

                    aria-expanded="false"

                    aria-controls="group_1">

                Group 1

            </button>

        </h2>

        <div id="group_1"

             class="accordion-collapse collapse"

             aria-labelledby="head_1"

             data-mdb-parent="#accordionObjectSetUp">

​

            <div class="accordion-body" id="accordionGroup_1">

​

                <div id="attrib_1" class="chip chip-md d-inline btn-lg btn-outline-primary" data-mdb-ripple-color="dark"

                     role="button" title="title">

                    titl1

                </div>

​

​

                <button id="AddAttrib_1" class="btn btn-sm btn-primary float-start btn-rounded me-2"><i class="fas fa-plus-circle"></i></button>

            </div>

​

        </div>

    </div>

​

    <div id="accItem_2" class="accordion-item">

        <h2 class="accordion-header" id="head_2">

            <button id="btnTypeHeader_2" class="accordion-button"

                    type="button"

                    data-mdb-toggle="collapse"

                    data-mdb-target="#group_2"

                    aria-expanded="false"

                    aria-controls="group_2">

                Group 1

            </button>

        </h2>

        <div id="group_2"

             class="accordion-collapse collapse"

             aria-labelledby="head_2"

             data-mdb-parent="#accordionObjectSetUp">

​

            <div class="accordion-body" id="accordionGroup_2">

​

                <div id="attrib_2" class="chip chip-md d-inline btn-lg btn-outline-primary" data-mdb-ripple-color="dark"

                     role="button" title="title">

                    titl2

                </div>

​

​

                <button id="AddAttrib_2" class="btn btn-sm btn-primary float-start btn-rounded me-2"><i class="fas fa-plus-circle"></i></button>

            </div>

​

        </div>

    </div>

​

</div>

​

​