Tai.VenueAdapters.Bitmex.NormalizeAccount.build

You're seeing just the function build, go back to Tai.VenueAdapters.Bitmex.NormalizeAccount module for more information.
Link to this function

build(margin, venue_id, credential_id)

Specs

build(margin(), venue_id(), credential_id()) ::
  {:ok, account()} | {:error, {:unsupported_currency, currency()}}