3 files changed, 18 insertions, 6 deletions
diff --git a/LibMatrix/Filters/SyncFilter.cs b/LibMatrix/Filters/SyncFilter.cs
index 787ffa7..8c66656 100644
--- a/LibMatrix/Filters/SyncFilter.cs
+++ b/LibMatrix/Filters/SyncFilter.cs
@@ -34,6 +34,15 @@ public class SyncFilter {
         [JsonPropertyName("include_leave")]
         public bool? IncludeLeave { get; set; }
 
+        private static readonly RoomFilter Empty = new() {
+            Rooms = [],
+            IncludeLeave = false,
+            AccountData = StateFilter.Empty,
+            Ephemeral = StateFilter.Empty,
+            State = StateFilter.Empty,
+            Timeline = StateFilter.Empty,
+        };
+
         public class StateFilter(
             bool? containsUrl = null,
             bool? includeRedundantMembers = null,
@@ -65,6 +74,8 @@ public class SyncFilter {
 
             [JsonPropertyName("unread_thread_notifications")]
             public bool? UnreadThreadNotifications { get; set; } = unreadThreadNotifications;
+
+            public static readonly StateFilter Empty = new(limit: 0, senders: [], types: [], rooms: []);
         }
     }
 
@@ -83,5 +94,7 @@ public class SyncFilter {
 
         [JsonPropertyName("not_senders")]
         public List<string>? NotSenders { get; set; } = notSenders;
+
+        public static readonly EventFilter Empty = new(limit: 0, senders: [], types: []);
     }
-}
\ No newline at end of file
+}
diff --git a/LibMatrix/RoomTypes/GenericRoom.cs b/LibMatrix/RoomTypes/GenericRoom.cs
index cc3c0a1..55fa42c 100644
--- a/LibMatrix/RoomTypes/GenericRoom.cs
+++ b/LibMatrix/RoomTypes/GenericRoom.cs
@@ -304,7 +304,6 @@ public class GenericRoom {
     public Task<RoomPowerLevelEventContent?> GetPowerLevelsAsync() =>
         GetStateAsync<RoomPowerLevelEventContent>("m.room.power_levels");
 
-    [Obsolete("This method will be merged into GetNameAsync() in the future.")]
     public async Task<string> GetNameOrFallbackAsync(int maxMemberNames = 2) {
         try {
             var name = await GetNameAsync();
diff --git a/LibMatrix/RoomTypes/PolicyRoom.cs b/LibMatrix/RoomTypes/PolicyRoom.cs
index e0b6edb..c6eec63 100644
--- a/LibMatrix/RoomTypes/PolicyRoom.cs
+++ b/LibMatrix/RoomTypes/PolicyRoom.cs
@@ -8,10 +8,10 @@ namespace LibMatrix.RoomTypes;
 public class PolicyRoom(AuthenticatedHomeserverGeneric homeserver, string roomId) : GenericRoom(homeserver, roomId) {
     public const string TypeName = "support.feline.policy.lists.msc.v1";
     
-    private static readonly FrozenSet<string> UserPolicyEventTypes = EventContent.GetMatchingEventTypes<UserPolicyRuleEventContent>().ToFrozenSet();
-    private static readonly FrozenSet<string> ServerPolicyEventTypes = EventContent.GetMatchingEventTypes<ServerPolicyRuleEventContent>().ToFrozenSet();
-    private static readonly FrozenSet<string> RoomPolicyEventTypes = EventContent.GetMatchingEventTypes<RoomPolicyRuleEventContent>().ToFrozenSet();
-    private static readonly FrozenSet<string> SpecPolicyEventTypes = [..UserPolicyEventTypes, ..ServerPolicyEventTypes, ..RoomPolicyEventTypes];
+    public static readonly FrozenSet<string> UserPolicyEventTypes = EventContent.GetMatchingEventTypes<UserPolicyRuleEventContent>().ToFrozenSet();
+    public static readonly FrozenSet<string> ServerPolicyEventTypes = EventContent.GetMatchingEventTypes<ServerPolicyRuleEventContent>().ToFrozenSet();
+    public static readonly FrozenSet<string> RoomPolicyEventTypes = EventContent.GetMatchingEventTypes<RoomPolicyRuleEventContent>().ToFrozenSet();
+    public static readonly FrozenSet<string> SpecPolicyEventTypes = [..UserPolicyEventTypes, ..ServerPolicyEventTypes, ..RoomPolicyEventTypes];
 
     public async IAsyncEnumerable<StateEventResponse> GetPoliciesAsync() {
         var fullRoomState = GetFullStateAsync();