Nostrum.Cache.GuildCache.get_by-exclamation-mark
You're seeing just the function
get_by-exclamation-mark, go back to Nostrum.Cache.GuildCache module for more information.
Specs
get_by!(clauses()) :: Nostrum.Struct.Guild.t() | no_return()
Same as get_by/1, but raises Nostrum.Error.CacheError in case of failure.