module HumanDuration
    SPLIT_TYPES = [[60, 'second'], [60, 'minute'], [24, 'hour'], [365, 'day'], [1000, 'year']].freeze
    SHORT_NAME_MAP = { 'second' => 's', 'minute' => 'm', 'hour' => 'h', 'day' => 'd', 'year' => 'y' }.freeze
    VALID_TYPES = ['compact', 'short', 'full'].freeze
end