code: public List<CmsResource> readSiblingsForResourceId(CmsUUID resourceId, CmsResourceFilter filter)
      throws CmsException {
  
          CmsResource pseudoResource = new CmsResource(
              null,
              resourceId,
              null,
              0,
              false,
              0,
              null,
              null,
              0,
              null,
              0,
              null,
              0,
              0,
              0,
              0,
              0,
              0);
          return readSiblings(pseudoResource, filter);
      }
docs: Reads all resources with the given resource id.<p>
  
  @param resourceId the resource id for which we want the siblings
  @param filter the resource filter used to read the resources
  @return the siblings which share the given resource id
  
  @throws CmsException if something goes wrong