private static String[] getBeanNamesForType(Class<?> type) {
        String beanName = type.getName();
        String[] beanNames = SINGLE_BEAN_NAMES_TYPE_MAP.get(beanName);
        if (beanNames == null) {
            List<String> beanNamesList = new ArrayList<>();
            for (Map.Entry<String, Object> beanEntry : BEANS.entrySet()) {
                Class<?> beanClass = beanEntry.getValue().getClass();
                if (type.isInterface()) {
                    Class<?>[] interfaces = beanClass.getInterfaces();
                    for (Class<?> c : interfaces) {
                        if (type.getName().equals(c.getName())) {
                            beanNamesList.add(beanEntry.getKey());
                            break;
                        }
                    }
                 // Change to type.isAssignableFrom(beanClass) - this checks whether an object of type beanClass can be cast to type type?
                } else if (type.isAssignableFrom(beanClass)) {
                    beanNamesList.add(beanEntry.getKey());
                }
            }
            beanNames = beanNamesList.toArray(new String[0]);
            SINGLE_BEAN_NAMES_TYPE_MAP.put(beanName, beanNames);
        }
        return beanNames;
    }

private static String[] getBeanNamesForType(Class<?> type) {
        String beanName = type.getName();
        String[] beanNames = SINGLE_BEAN_NAMES_TYPE_MAP.get(beanName);
        if (beanNames == null) {
            List<String> beanNamesList = new ArrayList<>();
            for (Map.Entry<String, Object> beanEntry : BEANS.entrySet()) {
                Class<?> beanClass = beanEntry.getValue().getClass();
                if (type.isInterface()) {
                    Class<?>[] interfaces = beanClass.getInterfaces();
                    for (Class<?> c : interfaces) {
                        if (type.getName().equals(c.getName())) {
                            beanNamesList.add(beanEntry.getKey());
                            break;
                        }
                    }
                 // Измени на type.isAssignableFrom(beanClass) - это проверяет, можно ли объект типа beanClass привести к типу type?
                } else if (type.isAssignableFrom(beanClass)) {
                    beanNamesList.add(beanEntry.getKey());
                }
            }
            beanNames = beanNamesList.toArray(new String[0]);
            SINGLE_BEAN_NAMES_TYPE_MAP.put(beanName, beanNames);
        }
        return beanNames;
    }