algoliasearch/src/main/java/com/algolia/search/saas/Query.java
public @NonNull
    Query setIgnorePlurals(@Nullable Collection<String> languageISOCodes) {
        return set(KEY_IGNORE_PLURALS, new IgnorePlurals(languageISOCodes));
    }
public @NonNull
    Query setIgnorePlurals(@Nullable Collection<String> languageISOCodes) {
        return set(KEY_IGNORE_PLURALS, new IgnorePlurals(languageISOCodes));
    }
A list of language codes for which plural won't be considered as a typo (for example
car/cars will be considered as equals). If empty or null, this disables the feature.