--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/teal-src/plugins/muc/muc.lib.d.tl	Mon Feb 20 15:08:06 2023 +0100
@@ -0,0 +1,163 @@
+local Stanza = require "util.stanza".stanza_t
+
+local record Room
+	jid : string
+
+	enum Affiliation
+		"outcast"
+		"none"
+		"member"
+		"admin"
+		"owner"
+	end
+
+	enum Role
+		"none"
+		"visitor"
+		"participant"
+		"moderator"
+	end
+
+	record Occupant
+		bare_jid : string
+		nick : string
+		sessions : { string : Stanza }
+		role : Role
+		jid : string
+	end
+
+	-- Private properties
+	_jid_nick : { string : string }
+	_occupants : { string : Occupant }
+	_data : { string : any }
+	_affiliations : { string : Affiliation }
+	_affiliation_data : { string : { string : any } }
+
+	-- Occupant methods
+	get_occupant_jid : function (Room, real_jid : string) : string
+	new_occupant : function (Room, bare_real_jid : string, nick : string) : Occupant
+	get_occupant_by_nick : function (Room, nick : string) : Occupant
+	type OccupantIterator = function ({string:Occupant}, occupant_jid : string) : string, Occupant
+	each_occupant : function (Room, read_only : boolean) : OccupantIterator, {string:Occupant}, nil
+	has_occupant : function (Room) : boolean
+	get_occupant_by_real_jid : function (Room, real_jid : string) : Occupant
+	save_occupant :function (Room, Occupant) : Occupant
+
+	-- Affiliation methods
+	type AffiliationIterator = function (any, jid : string) : string, Affiliation
+	get_affiliation : function (Room, jid : string) : Affiliation
+	each_affiliation : function (Room, Affiliation) : AffiliationIterator, nil, nil
+	set_affiliation : function (Room, jid : string, Affiliation, reason : string, data : { string : any }) : boolean, string, string, string -- ok + error tripplet
+	get_affiliation_data : function (Room, jid : string, key : string) : any
+	set_affiliation_data : function (Room, jid : string, key : string, value : any) : boolean
+	get_registered_nick : function (Room, jid : string) : string
+	get_registered_jid : function (Room, nick : string) : string
+
+	-- Role methods
+	get_default_role : function (Room, Affiliation) : Role, integer
+	get_role : function (Room, nick : string) : Role
+	may_set_role : function (Room, actor : string, Occupant, Role) : boolean
+	set_role : function (Room, actor : string, occupant_jid : string, Role, reason : string) : boolean, string, string, string
+
+	-- Routing input, generally handled by mod_muc and hooked up to Prosody routing events
+	handle_first_presence : function (Room, table, Stanza) : boolean
+	handle_normal_presence : function (Room, table, Stanza) : boolean
+	handle_presence_to_room : function (Room, table, Stanza) : boolean
+	handle_presence_to_occupant : function (Room, table, Stanza) : boolean
+	handle_message_to_room : function (Room, table, Stanza) : boolean
+	handle_message_to_occupant : function (Room, table, Stanza) : boolean
+	handle_groupchat_to_room : function (Room, table, Stanza) : boolean
+	handle_iq_to_occupant : function (Room, table, Stanza) : boolean
+	handle_disco_info_get_query : function (Room, table, Stanza) : boolean
+	handle_disco_items_get_query : function (Room, table, Stanza) : boolean
+	handle_admin_query_set_command : function (Room, table, Stanza) : boolean
+	handle_admin_query_get_command : function (Room, table, Stanza) : boolean
+	handle_owner_query_get_to_room : function (Room, table, Stanza) : boolean
+	handle_owner_query_set_to_room : function (Room, table, Stanza) : boolean
+	handle_mediated_invite : function (Room, table, Stanza) : boolean
+	handle_mediated_decline : function (Room, table, Stanza) : boolean
+	handle_role_request : function (Room, table, Stanza) : boolean
+	handle_register_iq : function (Room, table, Stanza) : boolean
+	handle_kickable : function (Room, table, Stanza) : boolean
+
+	-- Routing output
+	broadcast : function (Room, Stanza, function (nick : string, Occupant) : boolean)
+	broadcast_message : function (Room, Stanza) : boolean
+	route_stanza : function (Room, Stanza)
+	route_to_occupant : function (Room, Occupant, Stanza)
+
+	-- Sending things to someone joining
+	publicise_occupant_status :  function (Room, Occupant, x : Stanza, nick : string, actor : string, reason : string, prev_role : Role, force_unavailable : boolean, recipient : Occupant)
+	send_occupant_list : function (Room, to : string, filter : function (occupant_jid : string, Occupant) : boolean)
+	send_history : function (Room, Stanza)
+	send_subject : function (Room, to : string, time : number)
+
+	respond_to_probe : function (Room, table, Stanza, Occupant)
+
+	-- Constructors for various answer stanzas
+	get_disco_info : function (Room, Stanza) : Stanza
+	get_disco_items : function (Room, Stanza) : Stanza
+
+	build_item_list : function (Room, Occupant, Stanza, is_anonymous : boolean, nick : string, actor_nick : string, actor_jid : string, reason : string) : Stanza
+	build_unavailable_presence : function (Room, from_muc_jid : string, to_jid : string) : Stanza
+
+	-- Form handling
+	send_form : function (Room, table, Stanza)
+	get_form_layout : function (Room, actor : string) : table
+	process_form : function (Room, table, Stanza) : boolean
+
+	-- Properties and configuration
+	get_name : function (Room) : string
+	set_name : function (Room, string) : boolean
+	get_description : function (Room) : string
+	set_description : function (Room, string) : boolean
+	get_language : function (Room) : string
+	set_language : function (Room, string) : boolean
+	get_hidden : function (Room) : boolean
+	set_hidden : function (Room, boolean)
+	get_public : function (Room) : boolean
+	set_public : function (Room, boolean)
+	get_password : function (Room) : string
+	set_password : function (Room, string) : boolean
+	get_members_only : function (Room) : boolean
+	set_members_only : function (Room, boolean) : boolean
+	get_allow_member_invites : function (Room) : boolean
+	set_allow_member_invites : function (Room, boolean) : boolean
+	get_moderated : function (Room) : boolean
+	set_moderated : function (Room, boolean) : boolean
+	get_persistent : function (Room) : boolean
+	set_persistent : function (Room, boolean) : boolean
+	get_changesubject : function (Room) : boolean
+	set_changesubject : function (Room, boolean) : boolean
+	get_subject : function (Room) : string
+	set_subject : function (Room, string) : boolean
+	get_historylength : function (Room) : integer
+	set_historylength : function (Room, integer) : boolean
+	get_presence_broadcast : function (Room) : { Role : boolean }
+	set_presence_broadcast : function (Room, { Role : boolean }) : boolean
+
+	is_anonymous_for : function (Room, jid : string) : boolean
+	get_salt : function (Room) : string
+	get_occupant_id : function (Room, Occupant)
+
+	-- Room teardown
+	clear : function (Room, x : Stanza)
+	destroy : function (Room, newjid : string, reason : string, password : string) : boolean
+
+	-- Room state persistence
+	record FrozenRoom
+		_jid : string
+		_data : { string : any }
+		_affiliation_data : { string : { string : any } }
+		-- { string : Affiliation }
+	end
+
+	record StateEntry
+		bare_jid : string
+		role : Role
+		jid : string
+	end
+
+	save : function (Room, forced : boolean, savestate : boolean) : boolean
+	freeze : function (Room, live : boolean) : FrozenRoom, { string : StateEntry }
+end