code: def get_transitions_for(brain_or_object):
      
      workflow = get_tool('portal_workflow')
      transitions = []
      instance = get_object(brain_or_object)
      for wfid in get_workflows_for(brain_or_object):
          wf = workflow[wfid]
          tlist = wf.getTransitionsFor(instance)
          transitions.extend([t for t in tlist if t not in transitions])
      return transitions
docs: List available workflow transitions for all workflows
  
      :param brain_or_object: A single catalog brain or content object
      :type brain_or_object: ATContentType/DexterityContentType/CatalogBrain
      :returns: All possible available and allowed transitions
      :rtype: list[dict]