@Deprecated
    public Iterable<String> deprecatedKeys() {
        return fallbackKeys == EMPTY ? Collections.<String>emptyList()
                : Arrays.stream(fallbackKeys)
                        .filter(FallbackKey::isDeprecated)
                        .map(FallbackKey::getKey)
                        .collect(Collectors.toList());
    }
Gets the deprecated keys, in the order to be checked.

@return The option's deprecated keys.
@deprecated Replaced by {@link #fallbackKeys()}
inlong-sort/sort-common/src/main/java/org/apache/inlong/sort/configuration/ConfigOption.java