---@diagnostic disable: missing-return, lowercase-global
---@meta

---@alias WHO_LIST_UPDATE
---| 0 - CHAT_MSG_SYSTEM
---| 1 - WHO_LIST_UPDATE

---@param state WHO_LIST_UPDATE
---Changes the delivery method for results from SendWho() queries. In the default UI, results delivered in CHAT_MSG_SYSTEM are printed in the main chat window; results delivered in a WHO_LIST_UPDATE event cause the FriendsFrame to be shown, displaying the results in its "Who" tab.
function SetWhoToUI(state) end