diff --git a/src/collections/raw/all.rs b/src/collections/raw/all.rs
index 2b4b7757..fbe78ef5 100644
--- a/src/collections/raw/all.rs
+++ b/src/collections/raw/all.rs
@@ -10,9 +10,7 @@ use crate::{
         answer::raw::AnswerEvent, candidates::raw::CandidatesEvent, hangup::raw::HangupEvent,
         invite::raw::InviteEvent,
     },
-    custom::raw::CustomEvent,
-    custom_room::raw::CustomRoomEvent,
-    custom_state::raw::CustomStateEvent,
+    custom::raw::{CustomEvent, CustomRoomEvent, CustomStateEvent},
     direct::raw::DirectEvent,
     dummy::raw::DummyEvent,
     forwarded_room_key::raw::ForwardedRoomKeyEvent,
diff --git a/src/collections/raw/only.rs b/src/collections/raw/only.rs
index 80de2f33..c720949f 100644
--- a/src/collections/raw/only.rs
+++ b/src/collections/raw/only.rs
@@ -10,8 +10,7 @@ use crate::{
         answer::raw::AnswerEvent, candidates::raw::CandidatesEvent, hangup::raw::HangupEvent,
         invite::raw::InviteEvent,
     },
-    custom::raw::CustomEvent,
-    custom_room::raw::CustomRoomEvent,
+    custom::raw::{CustomEvent, CustomRoomEvent},
     direct::raw::DirectEvent,
     dummy::raw::DummyEvent,
     forwarded_room_key::raw::ForwardedRoomKeyEvent,
diff --git a/src/custom.rs b/src/custom.rs
new file mode 100644
index 00000000..cc911c94
--- /dev/null
+++ b/src/custom.rs
@@ -0,0 +1,262 @@
+//! Types for custom events outside of the Matrix specification.
+
+use std::{collections::BTreeMap, time::SystemTime};
+
+use crate::{Event, EventType, RoomEvent, StateEvent};
+
+use ruma_events_macros::FromRaw;
+use ruma_identifiers::{EventId, RoomId, UserId};
+use serde::Serialize;
+use serde_json::Value as JsonValue;
+
+/// A custom event not covered by the Matrix specification.
+#[derive(Clone, Debug, FromRaw, PartialEq, Serialize)]
+pub struct CustomEvent {
+    /// The event's content.
+    pub content: CustomEventContent,
+    /// The custom type of the event.
+    #[serde(rename = "type")]
+    pub event_type: String,
+}
+
+/// The payload for `CustomEvent`.
+pub type CustomEventContent = JsonValue;
+
+impl Event for CustomEvent {
+    /// The type of this event's `content` field.
+    type Content = CustomEventContent;
+
+    /// The event's content.
+    fn content(&self) -> &Self::Content {
+        &self.content
+    }
+
+    /// The type of the event.
+    fn event_type(&self) -> EventType {
+        EventType::Custom(self.event_type.clone())
+    }
+}
+
+/// A custom room event not covered by the Matrix specification.
+#[derive(Clone, Debug, FromRaw, PartialEq, Serialize)]
+pub struct CustomRoomEvent {
+    /// The event's content.
+    pub content: CustomRoomEventContent,
+    /// The unique identifier for the event.
+    pub event_id: EventId,
+    /// The custom type of the event.
+    #[serde(rename = "type")]
+    pub event_type: String,
+    /// Time on originating homeserver when this event was sent.
+    #[serde(with = "ruma_serde::time::ms_since_unix_epoch")]
+    pub origin_server_ts: SystemTime,
+    /// The unique identifier for the room associated with this event.
+    pub room_id: Option<RoomId>,
+    /// The unique identifier for the user who sent this event.
+    pub sender: UserId,
+    /// Additional key-value pairs not signed by the homeserver.
+    #[serde(skip_serializing_if = "std::collections::BTreeMap::is_empty")]
+    pub unsigned: BTreeMap<String, JsonValue>,
+}
+
+/// The payload for `CustomRoomEvent`.
+pub type CustomRoomEventContent = JsonValue;
+
+impl Event for CustomRoomEvent {
+    /// The type of this event's `content` field.
+    type Content = CustomRoomEventContent;
+
+    /// The event's content.
+    fn content(&self) -> &Self::Content {
+        &self.content
+    }
+
+    /// The type of the event.
+    fn event_type(&self) -> EventType {
+        EventType::Custom(self.event_type.clone())
+    }
+}
+
+impl RoomEvent for CustomRoomEvent {
+    /// The unique identifier for the event.
+    fn event_id(&self) -> &EventId {
+        &self.event_id
+    }
+
+    /// Time on originating homeserver when this event was sent.
+    fn origin_server_ts(&self) -> SystemTime {
+        self.origin_server_ts
+    }
+
+    /// The unique identifier for the room associated with this event.
+    ///
+    /// This can be `None` if the event came from a context where there is
+    /// no ambiguity which room it belongs to, like a `/sync` response for example.
+    fn room_id(&self) -> Option<&RoomId> {
+        self.room_id.as_ref()
+    }
+
+    /// The unique identifier for the user who sent this event.
+    fn sender(&self) -> &UserId {
+        &self.sender
+    }
+
+    /// Additional key-value pairs not signed by the homeserver.
+    fn unsigned(&self) -> &BTreeMap<String, JsonValue> {
+        &self.unsigned
+    }
+}
+
+/// A custom state event not covered by the Matrix specification.
+#[derive(Clone, Debug, FromRaw, PartialEq, Serialize)]
+pub struct CustomStateEvent {
+    /// The event's content.
+    pub content: CustomStateEventContent,
+    /// The unique identifier for the event.
+    pub event_id: EventId,
+    /// The custom type of the event.
+    #[serde(rename = "type")]
+    pub event_type: String,
+    /// Time on originating homeserver when this event was sent.
+    #[serde(with = "ruma_serde::time::ms_since_unix_epoch")]
+    pub origin_server_ts: SystemTime,
+    /// The previous content for this state key, if any.
+    pub prev_content: Option<CustomStateEventContent>,
+    /// The unique identifier for the room associated with this event.
+    pub room_id: Option<RoomId>,
+    /// The unique identifier for the user who sent this event.
+    pub sender: UserId,
+    /// A key that determines which piece of room state the event represents.
+    pub state_key: String,
+    /// Additional key-value pairs not signed by the homeserver.
+    #[serde(skip_serializing_if = "std::collections::BTreeMap::is_empty")]
+    pub unsigned: BTreeMap<String, JsonValue>,
+}
+
+/// The payload for `CustomStateEvent`.
+pub type CustomStateEventContent = JsonValue;
+
+impl Event for CustomStateEvent {
+    /// The type of this event's `content` field.
+    type Content = CustomStateEventContent;
+
+    /// The event's content.
+    fn content(&self) -> &Self::Content {
+        &self.content
+    }
+
+    /// The type of the event.
+    fn event_type(&self) -> EventType {
+        EventType::Custom(self.event_type.clone())
+    }
+}
+
+impl RoomEvent for CustomStateEvent {
+    /// The unique identifier for the event.
+    fn event_id(&self) -> &EventId {
+        &self.event_id
+    }
+
+    /// Time on originating homeserver when this event was sent.
+    fn origin_server_ts(&self) -> SystemTime {
+        self.origin_server_ts
+    }
+
+    /// The unique identifier for the room associated with this event.
+    ///
+    /// This can be `None` if the event came from a context where there is
+    /// no ambiguity which room it belongs to, like a `/sync` response for example.
+    fn room_id(&self) -> Option<&RoomId> {
+        self.room_id.as_ref()
+    }
+
+    /// The unique identifier for the user who sent this event.
+    fn sender(&self) -> &UserId {
+        &self.sender
+    }
+
+    /// Additional key-value pairs not signed by the homeserver.
+    fn unsigned(&self) -> &BTreeMap<String, JsonValue> {
+        &self.unsigned
+    }
+}
+
+impl StateEvent for CustomStateEvent {
+    /// The previous content for this state key, if any.
+    fn prev_content(&self) -> Option<&Self::Content> {
+        self.prev_content.as_ref()
+    }
+
+    /// A key that determines which piece of room state the event represents.
+    fn state_key(&self) -> &str {
+        &self.state_key
+    }
+}
+
+pub(crate) mod raw {
+    use std::{collections::BTreeMap, time::SystemTime};
+
+    use ruma_identifiers::{EventId, RoomId, UserId};
+    use serde::Deserialize;
+    use serde_json::Value as JsonValue;
+
+    use super::{CustomEventContent, CustomRoomEventContent, CustomStateEventContent};
+
+    /// A custom event not covered by the Matrix specification.
+    #[derive(Clone, Debug, PartialEq, Deserialize)]
+    pub struct CustomEvent {
+        /// The event's content.
+        pub content: CustomEventContent,
+        /// The custom type of the event.
+        #[serde(rename = "type")]
+        pub event_type: String,
+    }
+
+    /// A custom room event not covered by the Matrix specification.
+    #[derive(Clone, Debug, PartialEq, Deserialize)]
+    pub struct CustomRoomEvent {
+        /// The event's content.
+        pub content: CustomRoomEventContent,
+        /// The unique identifier for the event.
+        pub event_id: EventId,
+        /// The custom type of the event.
+        #[serde(rename = "type")]
+        pub event_type: String,
+        /// Time on originating homeserver when this event was sent.
+        #[serde(with = "ruma_serde::time::ms_since_unix_epoch")]
+        pub origin_server_ts: SystemTime,
+        /// The unique identifier for the room associated with this event.
+        pub room_id: Option<RoomId>,
+        /// The unique identifier for the user who sent this event.
+        pub sender: UserId,
+        /// Additional key-value pairs not signed by the homeserver.
+        #[serde(default)]
+        pub unsigned: BTreeMap<String, JsonValue>,
+    }
+
+    /// A custom state event not covered by the Matrix specification.
+    #[derive(Clone, Debug, PartialEq, Deserialize)]
+    pub struct CustomStateEvent {
+        /// The event's content.
+        pub content: CustomStateEventContent,
+        /// The unique identifier for the event.
+        pub event_id: EventId,
+        /// The custom type of the event.
+        #[serde(rename = "type")]
+        pub event_type: String,
+        /// Time on originating homeserver when this event was sent.
+        #[serde(with = "ruma_serde::time::ms_since_unix_epoch")]
+        pub origin_server_ts: SystemTime,
+        /// The previous content for this state key, if any.
+        pub prev_content: Option<CustomStateEventContent>,
+        /// The unique identifier for the room associated with this event.
+        pub room_id: Option<RoomId>,
+        /// The unique identifier for the user who sent this event.
+        pub sender: UserId,
+        /// A key that determines which piece of room state the event represents.
+        pub state_key: String,
+        /// Additional key-value pairs not signed by the homeserver.
+        #[serde(default)]
+        pub unsigned: BTreeMap<String, JsonValue>,
+    }
+}
diff --git a/src/empty.rs b/src/empty.rs
new file mode 100644
index 00000000..a288af01
--- /dev/null
+++ b/src/empty.rs
@@ -0,0 +1,58 @@
+use std::fmt::{self, Formatter};
+
+use serde::{
+    de::{Deserialize, Deserializer, MapAccess, Visitor},
+    ser::{Serialize, SerializeMap, Serializer},
+};
+
+use crate::FromRaw;
+
+/// A meaningless value that serializes to an empty JSON object.
+///
+/// This type is used in a few places where the Matrix specification requires an empty JSON object,
+/// but it's wasteful to represent it as a `BTreeMap` in Rust code.
+#[derive(Clone, Debug, PartialEq)]
+pub struct Empty;
+
+impl Serialize for Empty {
+    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        serializer.serialize_map(Some(0))?.end()
+    }
+}
+
+impl<'de> Deserialize<'de> for Empty {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        struct EmptyMapVisitor;
+
+        impl<'de> Visitor<'de> for EmptyMapVisitor {
+            type Value = Empty;
+
+            fn expecting(&self, f: &mut Formatter<'_>) -> fmt::Result {
+                write!(f, "an object/map")
+            }
+
+            fn visit_map<A>(self, _map: A) -> Result<Self::Value, A::Error>
+            where
+                A: MapAccess<'de>,
+            {
+                Ok(Empty)
+            }
+        }
+
+        deserializer.deserialize_map(EmptyMapVisitor)
+    }
+}
+
+impl FromRaw for Empty {
+    type Raw = Self;
+
+    fn from_raw(raw: Self) -> Self {
+        raw
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index a6c49aa3..9cfc2b57 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -122,18 +122,19 @@ use std::{
 };
 
 use ruma_identifiers::{EventId, RoomId, UserId};
-use serde::{
-    de::{MapAccess, Visitor},
-    ser::SerializeMap,
-    Deserialize, Deserializer, Serialize, Serializer,
-};
+use serde::Serialize;
 use serde_json::Value;
 
-pub use self::{custom::CustomEvent, custom_room::CustomRoomEvent, custom_state::CustomStateEvent};
+pub use self::{
+    custom::{CustomEvent, CustomRoomEvent, CustomStateEvent},
+    empty::Empty,
+};
 
 #[macro_use]
 mod macros;
+
 mod algorithm;
+mod empty;
 mod event_type;
 mod from_raw;
 mod json;
@@ -145,6 +146,7 @@ pub mod util;
 extern crate self as ruma_events;
 
 pub mod call;
+pub mod custom;
 /// Enums for heterogeneous collections of events.
 pub mod collections {
     pub mod all;
@@ -250,56 +252,6 @@ impl Display for FromStrError {
 
 impl Error for FromStrError {}
 
-/// A meaningless value that serializes to an empty JSON object.
-///
-/// This type is used in a few places where the Matrix specification requires an empty JSON object,
-/// but it's wasteful to represent it as a `BTreeMap` in Rust code.
-#[derive(Clone, Debug, PartialEq)]
-pub struct Empty;
-
-impl Serialize for Empty {
-    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: Serializer,
-    {
-        serializer.serialize_map(Some(0))?.end()
-    }
-}
-
-impl<'de> Deserialize<'de> for Empty {
-    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
-    where
-        D: Deserializer<'de>,
-    {
-        struct EmptyMapVisitor;
-
-        impl<'de> Visitor<'de> for EmptyMapVisitor {
-            type Value = Empty;
-
-            fn expecting(&self, f: &mut Formatter<'_>) -> fmt::Result {
-                write!(f, "an object/map")
-            }
-
-            fn visit_map<A>(self, _map: A) -> Result<Self::Value, A::Error>
-            where
-                A: MapAccess<'de>,
-            {
-                Ok(Empty)
-            }
-        }
-
-        deserializer.deserialize_map(EmptyMapVisitor)
-    }
-}
-
-impl FromRaw for Empty {
-    type Raw = Self;
-
-    fn from_raw(raw: Self) -> Self {
-        raw
-    }
-}
-
 /// A basic event.
 pub trait Event: Debug + Serialize + Sized + TryFromRaw {
     /// The type of this event's `content` field.
@@ -341,287 +293,3 @@ pub trait StateEvent: RoomEvent {
     /// A key that determines which piece of room state the event represents.
     fn state_key(&self) -> &str;
 }
-
-/// A basic custom event outside of the Matrix specification.
-mod custom {
-    use super::{Event, EventType};
-
-    use ruma_events_macros::FromRaw;
-    use serde::{Deserialize, Serialize};
-    use serde_json::Value;
-
-    /// A custom event not covered by the Matrix specification.
-    #[derive(Clone, Debug, FromRaw, PartialEq, Serialize)]
-    pub struct CustomEvent {
-        /// The event's content.
-        pub content: CustomEventContent,
-        /// The custom type of the event.
-        #[serde(rename = "type")]
-        pub event_type: String,
-    }
-
-    /// The payload for `CustomEvent`.
-    pub type CustomEventContent = Value;
-
-    impl Event for CustomEvent {
-        /// The type of this event's `content` field.
-        type Content = CustomEventContent;
-
-        /// The event's content.
-        fn content(&self) -> &Self::Content {
-            &self.content
-        }
-
-        /// The type of the event.
-        fn event_type(&self) -> EventType {
-            EventType::Custom(self.event_type.clone())
-        }
-    }
-
-    /// "Raw" versions of the event and its content which implement `serde::Deserialize`.
-    pub mod raw {
-        use super::*;
-
-        /// A custom event not covered by the Matrix specification.
-        #[derive(Clone, Debug, PartialEq, Deserialize)]
-        pub struct CustomEvent {
-            /// The event's content.
-            pub content: CustomEventContent,
-            /// The custom type of the event.
-            #[serde(rename = "type")]
-            pub event_type: String,
-        }
-    }
-}
-
-mod custom_room {
-    use std::{collections::BTreeMap, time::SystemTime};
-
-    use super::{Event, EventType, RoomEvent};
-
-    use ruma_events_macros::FromRaw;
-    use serde::{Deserialize, Serialize};
-    use serde_json::Value;
-
-    /// A custom room event not covered by the Matrix specification.
-    #[derive(Clone, Debug, FromRaw, PartialEq, Serialize)]
-    pub struct CustomRoomEvent {
-        /// The event's content.
-        pub content: CustomRoomEventContent,
-        /// The unique identifier for the event.
-        pub event_id: ruma_identifiers::EventId,
-        /// The custom type of the event.
-        #[serde(rename = "type")]
-        pub event_type: String,
-        /// Time on originating homeserver when this event was sent.
-        #[serde(with = "ruma_serde::time::ms_since_unix_epoch")]
-        pub origin_server_ts: SystemTime,
-        /// The unique identifier for the room associated with this event.
-        pub room_id: Option<ruma_identifiers::RoomId>,
-        /// The unique identifier for the user who sent this event.
-        pub sender: ruma_identifiers::UserId,
-        /// Additional key-value pairs not signed by the homeserver.
-        #[serde(skip_serializing_if = "std::collections::BTreeMap::is_empty")]
-        pub unsigned: BTreeMap<String, Value>,
-    }
-
-    /// The payload for `CustomRoomEvent`.
-    pub type CustomRoomEventContent = Value;
-
-    impl Event for CustomRoomEvent {
-        /// The type of this event's `content` field.
-        type Content = CustomRoomEventContent;
-
-        /// The event's content.
-        fn content(&self) -> &Self::Content {
-            &self.content
-        }
-
-        /// The type of the event.
-        fn event_type(&self) -> EventType {
-            EventType::Custom(self.event_type.clone())
-        }
-    }
-
-    impl RoomEvent for CustomRoomEvent {
-        /// The unique identifier for the event.
-        fn event_id(&self) -> &ruma_identifiers::EventId {
-            &self.event_id
-        }
-
-        /// Time on originating homeserver when this event was sent.
-        fn origin_server_ts(&self) -> SystemTime {
-            self.origin_server_ts
-        }
-
-        /// The unique identifier for the room associated with this event.
-        ///
-        /// This can be `None` if the event came from a context where there is
-        /// no ambiguity which room it belongs to, like a `/sync` response for example.
-        fn room_id(&self) -> Option<&ruma_identifiers::RoomId> {
-            self.room_id.as_ref()
-        }
-
-        /// The unique identifier for the user who sent this event.
-        fn sender(&self) -> &ruma_identifiers::UserId {
-            &self.sender
-        }
-
-        /// Additional key-value pairs not signed by the homeserver.
-        fn unsigned(&self) -> &BTreeMap<String, Value> {
-            &self.unsigned
-        }
-    }
-
-    pub mod raw {
-        use super::*;
-
-        /// A custom room event not covered by the Matrix specification.
-        #[derive(Clone, Debug, PartialEq, Deserialize)]
-        pub struct CustomRoomEvent {
-            /// The event's content.
-            pub content: CustomRoomEventContent,
-            /// The unique identifier for the event.
-            pub event_id: ruma_identifiers::EventId,
-            /// The custom type of the event.
-            #[serde(rename = "type")]
-            pub event_type: String,
-            /// Time on originating homeserver when this event was sent.
-            #[serde(with = "ruma_serde::time::ms_since_unix_epoch")]
-            pub origin_server_ts: SystemTime,
-            /// The unique identifier for the room associated with this event.
-            pub room_id: Option<ruma_identifiers::RoomId>,
-            /// The unique identifier for the user who sent this event.
-            pub sender: ruma_identifiers::UserId,
-            /// Additional key-value pairs not signed by the homeserver.
-            #[serde(default)]
-            pub unsigned: BTreeMap<String, Value>,
-        }
-    }
-}
-
-mod custom_state {
-    use std::{collections::BTreeMap, time::SystemTime};
-
-    use super::{Event, EventType, RoomEvent, StateEvent};
-
-    use ruma_events_macros::FromRaw;
-    use serde::{Deserialize, Serialize};
-    use serde_json::Value;
-
-    /// A custom state event not covered by the Matrix specification.
-    #[derive(Clone, Debug, FromRaw, PartialEq, Serialize)]
-    pub struct CustomStateEvent {
-        /// The event's content.
-        pub content: CustomStateEventContent,
-        /// The unique identifier for the event.
-        pub event_id: ruma_identifiers::EventId,
-        /// The custom type of the event.
-        #[serde(rename = "type")]
-        pub event_type: String,
-        /// Time on originating homeserver when this event was sent.
-        #[serde(with = "ruma_serde::time::ms_since_unix_epoch")]
-        pub origin_server_ts: SystemTime,
-        /// The previous content for this state key, if any.
-        pub prev_content: Option<CustomStateEventContent>,
-        /// The unique identifier for the room associated with this event.
-        pub room_id: Option<ruma_identifiers::RoomId>,
-        /// The unique identifier for the user who sent this event.
-        pub sender: ruma_identifiers::UserId,
-        /// A key that determines which piece of room state the event represents.
-        pub state_key: String,
-        /// Additional key-value pairs not signed by the homeserver.
-        #[serde(skip_serializing_if = "std::collections::BTreeMap::is_empty")]
-        pub unsigned: BTreeMap<String, Value>,
-    }
-
-    /// The payload for `CustomStateEvent`.
-    pub type CustomStateEventContent = Value;
-
-    impl Event for CustomStateEvent {
-        /// The type of this event's `content` field.
-        type Content = CustomStateEventContent;
-
-        /// The event's content.
-        fn content(&self) -> &Self::Content {
-            &self.content
-        }
-
-        /// The type of the event.
-        fn event_type(&self) -> EventType {
-            EventType::Custom(self.event_type.clone())
-        }
-    }
-
-    impl RoomEvent for CustomStateEvent {
-        /// The unique identifier for the event.
-        fn event_id(&self) -> &ruma_identifiers::EventId {
-            &self.event_id
-        }
-
-        /// Time on originating homeserver when this event was sent.
-        fn origin_server_ts(&self) -> SystemTime {
-            self.origin_server_ts
-        }
-
-        /// The unique identifier for the room associated with this event.
-        ///
-        /// This can be `None` if the event came from a context where there is
-        /// no ambiguity which room it belongs to, like a `/sync` response for example.
-        fn room_id(&self) -> Option<&ruma_identifiers::RoomId> {
-            self.room_id.as_ref()
-        }
-
-        /// The unique identifier for the user who sent this event.
-        fn sender(&self) -> &ruma_identifiers::UserId {
-            &self.sender
-        }
-
-        /// Additional key-value pairs not signed by the homeserver.
-        fn unsigned(&self) -> &BTreeMap<String, Value> {
-            &self.unsigned
-        }
-    }
-
-    impl StateEvent for CustomStateEvent {
-        /// The previous content for this state key, if any.
-        fn prev_content(&self) -> Option<&Self::Content> {
-            self.prev_content.as_ref()
-        }
-
-        /// A key that determines which piece of room state the event represents.
-        fn state_key(&self) -> &str {
-            &self.state_key
-        }
-    }
-
-    pub mod raw {
-        use super::*;
-
-        /// A custom state event not covered by the Matrix specification.
-        #[derive(Clone, Debug, PartialEq, Deserialize)]
-        pub struct CustomStateEvent {
-            /// The event's content.
-            pub content: CustomStateEventContent,
-            /// The unique identifier for the event.
-            pub event_id: ruma_identifiers::EventId,
-            /// The custom type of the event.
-            #[serde(rename = "type")]
-            pub event_type: String,
-            /// Time on originating homeserver when this event was sent.
-            #[serde(with = "ruma_serde::time::ms_since_unix_epoch")]
-            pub origin_server_ts: SystemTime,
-            /// The previous content for this state key, if any.
-            pub prev_content: Option<CustomStateEventContent>,
-            /// The unique identifier for the room associated with this event.
-            pub room_id: Option<ruma_identifiers::RoomId>,
-            /// The unique identifier for the user who sent this event.
-            pub sender: ruma_identifiers::UserId,
-            /// A key that determines which piece of room state the event represents.
-            pub state_key: String,
-            /// Additional key-value pairs not signed by the homeserver.
-            #[serde(default)]
-            pub unsigned: BTreeMap<String, Value>,
-        }
-    }
-}