Requiem.QUIC.NIF.config_set_initial_max_data

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

config_set_initial_max_data(ptr, v)

Specs

config_set_initial_max_data(integer(), non_neg_integer()) ::
  :ok | {:error, :system_error | :not_found}