docs: protected void initializeVariable(HistoricVariableInstanceEntity e) {
      if (Context.getCommandContext() != null && e != null && e.getVariableType() != null) {
        e.getValue();
  
        // make sure JPA entities are cached for later retrieval
        if (JPAEntityVariableType.TYPE_NAME.equals(e.getVariableType().getTypeName()) || JPAEntityListVariableType.TYPE_NAME.equals(e.getVariableType().getTypeName())) {
          ((CacheableVariable) e.getVariableType()).setForceCacheable(true);
        }
      }
    }