@Nonnull
    default <T> Collection<ArgumentParser<T>> findAll(@Nonnull Class<T> clazz) {
        return findAll(TypeToken.of(clazz));
    }
Finds all known parsers for a given class

@param clazz the argument class
@param <T> the class type
@return a collection of argument parsers
helper/src/main/java/me/lucko/helper/command/argument/ArgumentParserRegistry.java