in lib/anthropic/internal/type/enum.rb [48:68]
def values = (@values ||= constants.map { const_get(_1) })
private def finalize! = values
def ===(other) = values.include?(other)
def ==(other)
other.is_a?(Module) && other.singleton_class <= Anthropic::Internal::Type::Enum && other.values.to_set == values.to_set
end