Outdent the topicref so it becomes a sibling of the parent topicref, and the parent of its following siblings.
This operation can be used as a ContextualOperation on DITA
topicref elements and specializations thereof. Using this on topics directly will not work, although the setContextNodeIdToTopicrefReferencingCurrentDocument transform can be used to obtain the NodeId for the currently focused document.
Move the document one level up.
Imported operation data
The node ID of the topicref