module WEBrick
module HTTPAuth
class Htgroup
@path: String
@mtime: Time
@group: Hash[String, Array[String]]
def initialize: (String path) -> void
def reload: () -> void
def flush: (?String? output) -> void
def members: (String group) -> Array[String]
def add: (String group, Array[String] members) -> void
end
end
end