assertTrue(versionFilter instanceof PredicateVersionFilter);

        request.getUserProperties().put("maven.versionFilters", "e(g:a:[1,2])");
        versionFilter = systemSessionFactory.newRepositorySession(request).getVersionFilter();
        assertNotNull(versionFilter);
        assertTrue(versionFilter instanceof PredicateVersionFilter);

        // chained

                            }
                        }
                        return true;
                    };
                    filters.add(new PredicateVersionFilter(predicate));
                } else {
                    throw new IllegalArgumentException("Unsupported filter expression: " + expression);
                }
            }
        }