Requiem.QUIC.NIF.packet_builder_build_retry

You're seeing just the function packet_builder_build_retry, go back to Requiem.QUIC.NIF module for more information.
Link to this function

packet_builder_build_retry(builder, scid, dcid, new_scid, token, version)

Specs

packet_builder_build_retry(
  integer(),
  binary(),
  binary(),
  binary(),
  binary(),
  non_neg_integer()
) :: {:ok, binary()} | {:error, :system_error}