diff --git a/src/state/lobby/event.go b/src/state/lobby/event.go
index ae094a4..b72c52a 100644
--- a/src/state/lobby/event.go
+++ b/src/state/lobby/event.go
@@ -1,17 +1,17 @@
 package lobby
 
-type Event interface {
-	LobbyEvent()
+type event interface {
+	lobbyEvent()
 }
 
-type PlayerJoin struct {
+type playerJoin struct {
 	ID int
 }
 
-func (PlayerJoin) LobbyEvent() {}
+func (playerJoin) LobbyEvent() {}
 
-type PlayerLeave struct {
+type playerLeave struct {
 	ID int
 }
 
-func (PlayerLeave) LobbyEvent() {}
+func (playerLeave) LobbyEvent() {}
diff --git a/src/state/lobby/lobby.go b/src/state/lobby/lobby.go
new file mode 100644
index 0000000..96d51c4
--- /dev/null
+++ b/src/state/lobby/lobby.go
@@ -0,0 +1,3 @@
+package lobby
+
+type Lobby interface{}
diff --git a/src/state/lobby/storage.go b/src/state/lobby/storage.go
index 3e6634d..eb2ae4f 100644
--- a/src/state/lobby/storage.go
+++ b/src/state/lobby/storage.go
@@ -5,12 +5,12 @@ import (
 	"io"
 )
 
-type Storage interface {
-	PlayerIDs(context.Context) ([]int, error)
+type storage interface {
+	playerIDs(context.Context) ([]int, error)
 }
 
 type DB struct{}
 
-func (db DB) PlayerIDs(ctx context.Context) ([]int, error) {
+func (db DB) playerIDs(ctx context.Context) ([]int, error) {
 	return nil, io.EOF
 }
diff --git a/src/state/state.go b/src/state/state.go
new file mode 100644
index 0000000..5dcb938
--- /dev/null
+++ b/src/state/state.go
@@ -0,0 +1,5 @@
+package state
+
+type State struct {
+   Lobby lobby.Lobby
+}