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

---@param socket number
---@return 1nil match
---Returns whether a socket is eligible for the glyph currently awaiting a target. Only valid during glyph application: when the player has activated the glyph item but before she has chosen the glyph slot to put it in (i.e. the glowing hand cursor is showing).
function GlyphMatchesSocket(socket) end