lib/jsdom/living/helpers/mutation-observers.js
function queueTreeMutationRecord(target, addedNodes, removedNodes, previousSibling, nextSibling) {
  queueMutationRecord(
    MUTATION_TYPE.CHILD_LIST,
    target,
    null,
    null,
    null,
    addedNodes,
    removedNodes,
    previousSibling,
    nextSibling
  );
}
function queueTreeMutationRecord(target, addedNodes, removedNodes, previousSibling, nextSibling) {
  queueMutationRecord(
    MUTATION_TYPE.CHILD_LIST,
    target,
    null,
    null,
    null,
    addedNodes,
    removedNodes,
    previousSibling,
    nextSibling
  );
}
function queueTreeMutationRecord ( target , addedNodes , removedNodes , previousSibling , nextSibling ) { queueMutationRecord ( MUTATION_TYPE . CHILD_LIST , target , null , null , null , addedNodes , removedNodes , previousSibling , nextSibling ) ; }
https://dom.spec.whatwg.org/#queue-a-tree-mutation-record
https : // dom . spec . whatwg . org / #queue - a - tree - mutation - record