code: @Path("/acl/{spaceID}")
      @HEAD
      public Response getSpaceACLs(@PathParam("spaceID") String spaceID,
                                   @QueryParam("storeID") String storeID) {
          String msg = "getting space ACLs(" + spaceID + ", " + storeID + ")";
  
          try {
              log.debug(msg);
              return addSpaceACLsToResponse(Response.ok(), spaceID, storeID);
  
          } catch (ResourceNotFoundException e) {
              return responseNotFound(msg, e, NOT_FOUND);
  
          } catch (ResourceException e) {
              return responseBad(msg, e, INTERNAL_SERVER_ERROR);
  
          } catch (Exception e) {
              return responseBad(msg, e, INTERNAL_SERVER_ERROR);
          }
      }
docs: see SpaceResource.getSpaceACLs(String, String);
  
  @return 200 response with space ACLs included as header values