@Override
        public Object evaluate(String template, Map<String, Object> paramMap) {
            return "TestEngine[" + identifier + "]: " + template;
        }
    }

    private static class CustomScriptEngine implements ScriptEngine {
        @Override
        public Object evaluate(String template, Map<String, Object> paramMap) {
            return "CustomEngine: " + template;
        }
    }

            Map<String, String[]> paramMap = new HashMap<>(parameters);
            for (Map.Entry<String, String> entry : singleParameters.entrySet()) {
                if (!paramMap.containsKey(entry.getKey())) {
                    paramMap.put(entry.getKey(), new String[] { entry.getValue() });
                }
            }
            return paramMap;
        }

        @Override

        @Override
        protected String getName() {
            return name;
        }

        @Override
        protected void storeData(DataConfig dataConfig, IndexUpdateCallback callback, DataStoreParams paramMap,
                Map<String, String> scriptMap, Map<String, Object> defaultDataMap) {
            // Test implementation
        }
    }

    // Second Test DataStore implementation for testing multiple stores

        }

        @Override
        protected String getName() {
            return name;
        }

        @Override
        public Object evaluate(String template, Map<String, Object> paramMap) {
            // Simple implementation for testing
            return "processed: " + template + " with params";
        }
    }

        private final AtomicBoolean committed = new AtomicBoolean(false);
        private final long startTime = System.currentTimeMillis();

        @Override
        public void store(DataStoreParams paramMap, Map<String, Object> dataMap) {
            documentCount.incrementAndGet();
        }

        @Override
        public long getDocumentSize() {
            return documentCount.get();
        }