Fix binary compatibility

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/internal/InternalEventListeners.kt

@@ -15,10 +15,7 @@ import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import net.mamoe.mirai.event.*
 import net.mamoe.mirai.event.events.BotEvent
-import net.mamoe.mirai.utils.LockFreeLinkedList
-import net.mamoe.mirai.utils.MiraiExperimentalAPI
-import net.mamoe.mirai.utils.MiraiInternalAPI
-import net.mamoe.mirai.utils.MiraiLogger
+import net.mamoe.mirai.utils.*
 import kotlin.coroutines.CoroutineContext
 import kotlin.coroutines.coroutineContext
 import kotlin.jvm.JvmField
@@ -40,6 +37,20 @@ internal fun <L : Listener<E>, E : Event> KClass<out E>.subscribeInternal(listen
 }
 
 
+@PlannedRemoval("1.2.0")
+@Suppress("FunctionName", "unused")
+@Deprecated("for binary compatibility", level = DeprecationLevel.HIDDEN)
+internal fun <E : Event> CoroutineScope.Handler(
+    coroutineContext: CoroutineContext,
+    concurrencyKind: Listener.ConcurrencyKind,
+    handler: suspend (E) -> ListeningStatus
+): Handler<E> {
+    @OptIn(ExperimentalCoroutinesApi::class) // don't remove
+    val context = this.newCoroutineContext(coroutineContext)
+    return Handler(context[Job], context, handler, concurrencyKind, Listener.EventPriority.NORMAL)
+}
+
+
 @Suppress("FunctionName")
 internal fun <E : Event> CoroutineScope.Handler(
     coroutineContext: CoroutineContext,