Use eventSink instead of lambda in states.

libraries/fullscreenintent/api/src/main/kotlin/io/element/android/libraries/fullscreenintent/api/FullScreenIntentPermissionsEvents.kt

@@ -0,0 +1,13 @@
+/*
+ * Copyright 2025 New Vector Ltd.
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+ * Please see LICENSE files in the repository root for full details.
+ */
+
+package io.element.android.libraries.fullscreenintent.api
+
+sealed interface FullScreenIntentPermissionsEvents {
+    data object Dismiss : FullScreenIntentPermissionsEvents
+    data object OpenSettings : FullScreenIntentPermissionsEvents
+}

libraries/fullscreenintent/api/src/main/kotlin/io/element/android/libraries/fullscreenintent/api/FullScreenIntentPermissionsState.kt

@@ -10,6 +10,5 @@ package io.element.android.libraries.fullscreenintent.api
 data class FullScreenIntentPermissionsState(
     val permissionGranted: Boolean,
     val shouldDisplayBanner: Boolean,
-    val dismissFullScreenIntentBanner: () -> Unit,
-    val openFullScreenIntentSettings: () -> Unit,
+    val eventSink: (FullScreenIntentPermissionsEvents) -> Unit,
 )

libraries/fullscreenintent/api/src/main/kotlin/io/element/android/libraries/fullscreenintent/api/FullScreenIntentPermissionsStateProvider.kt

@@ -10,11 +10,9 @@ package io.element.android.libraries.fullscreenintent.api
 fun aFullScreenIntentPermissionsState(
     permissionGranted: Boolean = true,
     shouldDisplay: Boolean = false,
-    openFullScreenIntentSettings: () -> Unit = {},
-    dismissFullScreenIntentBanner: () -> Unit = {},
+    eventSink: (FullScreenIntentPermissionsEvents) -> Unit = {},
 ) = FullScreenIntentPermissionsState(
     permissionGranted = permissionGranted,
     shouldDisplayBanner = shouldDisplay,
-    openFullScreenIntentSettings = openFullScreenIntentSettings,
-    dismissFullScreenIntentBanner = dismissFullScreenIntentBanner,
+    eventSink = eventSink,
 )