test/plugins/removeElementsByAttr.05.svg

<svg xmlns="http://www.w3.org/2000/svg" width="19" height="19" viewBox="0 0 19 19">
    <rect class="someClass" width="19" height="19"/>
    <path class="anotherClass" d="M1093.5,31.792l-0.72.721-8.27-8.286-8.28,8.286-0.72-.721,8.28-8.286-8.28-8.286,0.72-.721,8.28,8.286,8.27-8.286,0.72,0.721-8.27,8.286Z" transform="translate(-1075 -14)"/>
    <rect class="someClass extraClass"/>
</svg>

@@@

<svg xmlns="http://www.w3.org/2000/svg" width="19" height="19" viewBox="0 0 19 19"/>

@@@

{ "class": ["someClass", "anotherClass"] }