module HTTPX
  class Response::Buffer
    @threshold_size: Integer
    @bytesize: Integer
    @encoding: Encoding
    @buffer: StringIO | Tempfile

    def initialize: (threshold_size: Integer, ?bytesize: Integer, ?encoding: Encoding | String) -> void

    def size: () -> Integer

    def write: (String) -> void

    def to_s: () -> String

    def close: () -> void

    private

    def try_upgrade_buffer: () -> void

    def _with_same_buffer_pos: () { () -> void } -> void
  end
end