C_Heirloom.
functionguessedavailable in: camelot
Returns whether the spell waiting for an item target is a heirloom upgrade. While such a spell waits, the heirloom journal upgrades the clicked heirloom instead of creating it. · description by wowlua
The client has this function, but Blizzard's documentation leaves it out, so its parameters and results aren't known.
In wowlua's emulated client
guessedThe answer is worked out from Blizzard's documentation, its UI code and the function's name, and not checked against the client. what the statuses mean
sources
Description: written by wowlua where no documentation describes the entry.