@type byterange() :: %{length: pos_integer(), offset: pos_integer()}

@type t() :: %HLS.Segment{
  absolute_sequence: pos_integer() | nil,
  byterange: byterange() | nil,
  discontinuity: boolean(),
  duration: float(),
  from: pos_integer() | nil,
  init_section:
    %{:uri => String.t(), optional(:byterange) => byterange()} | nil,
  ref: reference(),
  relative_sequence: pos_integer(),
  uri: URI.t()
}