-jclass LDKMessageSendEvent_SendAcceptChannel_class = NULL;
-jmethodID LDKMessageSendEvent_SendAcceptChannel_meth = NULL;
-jclass LDKMessageSendEvent_SendOpenChannel_class = NULL;
-jmethodID LDKMessageSendEvent_SendOpenChannel_meth = NULL;
-jclass LDKMessageSendEvent_SendFundingCreated_class = NULL;
-jmethodID LDKMessageSendEvent_SendFundingCreated_meth = NULL;
-jclass LDKMessageSendEvent_SendFundingSigned_class = NULL;
-jmethodID LDKMessageSendEvent_SendFundingSigned_meth = NULL;
-jclass LDKMessageSendEvent_SendFundingLocked_class = NULL;
-jmethodID LDKMessageSendEvent_SendFundingLocked_meth = NULL;
-jclass LDKMessageSendEvent_SendAnnouncementSignatures_class = NULL;
-jmethodID LDKMessageSendEvent_SendAnnouncementSignatures_meth = NULL;
-jclass LDKMessageSendEvent_UpdateHTLCs_class = NULL;
-jmethodID LDKMessageSendEvent_UpdateHTLCs_meth = NULL;
-jclass LDKMessageSendEvent_SendRevokeAndACK_class = NULL;
-jmethodID LDKMessageSendEvent_SendRevokeAndACK_meth = NULL;
-jclass LDKMessageSendEvent_SendClosingSigned_class = NULL;
-jmethodID LDKMessageSendEvent_SendClosingSigned_meth = NULL;
-jclass LDKMessageSendEvent_SendShutdown_class = NULL;
-jmethodID LDKMessageSendEvent_SendShutdown_meth = NULL;
-jclass LDKMessageSendEvent_SendChannelReestablish_class = NULL;
-jmethodID LDKMessageSendEvent_SendChannelReestablish_meth = NULL;
-jclass LDKMessageSendEvent_BroadcastChannelAnnouncement_class = NULL;
-jmethodID LDKMessageSendEvent_BroadcastChannelAnnouncement_meth = NULL;
-jclass LDKMessageSendEvent_BroadcastNodeAnnouncement_class = NULL;
-jmethodID LDKMessageSendEvent_BroadcastNodeAnnouncement_meth = NULL;
-jclass LDKMessageSendEvent_BroadcastChannelUpdate_class = NULL;
-jmethodID LDKMessageSendEvent_BroadcastChannelUpdate_meth = NULL;
-jclass LDKMessageSendEvent_HandleError_class = NULL;
-jmethodID LDKMessageSendEvent_HandleError_meth = NULL;
-jclass LDKMessageSendEvent_PaymentFailureNetworkUpdate_class = NULL;
-jmethodID LDKMessageSendEvent_PaymentFailureNetworkUpdate_meth = NULL;
+static jclass LDKMessageSendEvent_SendAcceptChannel_class = NULL;
+static jmethodID LDKMessageSendEvent_SendAcceptChannel_meth = NULL;
+static jclass LDKMessageSendEvent_SendOpenChannel_class = NULL;
+static jmethodID LDKMessageSendEvent_SendOpenChannel_meth = NULL;
+static jclass LDKMessageSendEvent_SendFundingCreated_class = NULL;
+static jmethodID LDKMessageSendEvent_SendFundingCreated_meth = NULL;
+static jclass LDKMessageSendEvent_SendFundingSigned_class = NULL;
+static jmethodID LDKMessageSendEvent_SendFundingSigned_meth = NULL;
+static jclass LDKMessageSendEvent_SendFundingLocked_class = NULL;
+static jmethodID LDKMessageSendEvent_SendFundingLocked_meth = NULL;
+static jclass LDKMessageSendEvent_SendAnnouncementSignatures_class = NULL;
+static jmethodID LDKMessageSendEvent_SendAnnouncementSignatures_meth = NULL;
+static jclass LDKMessageSendEvent_UpdateHTLCs_class = NULL;
+static jmethodID LDKMessageSendEvent_UpdateHTLCs_meth = NULL;
+static jclass LDKMessageSendEvent_SendRevokeAndACK_class = NULL;
+static jmethodID LDKMessageSendEvent_SendRevokeAndACK_meth = NULL;
+static jclass LDKMessageSendEvent_SendClosingSigned_class = NULL;
+static jmethodID LDKMessageSendEvent_SendClosingSigned_meth = NULL;
+static jclass LDKMessageSendEvent_SendShutdown_class = NULL;
+static jmethodID LDKMessageSendEvent_SendShutdown_meth = NULL;
+static jclass LDKMessageSendEvent_SendChannelReestablish_class = NULL;
+static jmethodID LDKMessageSendEvent_SendChannelReestablish_meth = NULL;
+static jclass LDKMessageSendEvent_BroadcastChannelAnnouncement_class = NULL;
+static jmethodID LDKMessageSendEvent_BroadcastChannelAnnouncement_meth = NULL;
+static jclass LDKMessageSendEvent_BroadcastNodeAnnouncement_class = NULL;
+static jmethodID LDKMessageSendEvent_BroadcastNodeAnnouncement_meth = NULL;
+static jclass LDKMessageSendEvent_BroadcastChannelUpdate_class = NULL;
+static jmethodID LDKMessageSendEvent_BroadcastChannelUpdate_meth = NULL;
+static jclass LDKMessageSendEvent_HandleError_class = NULL;
+static jmethodID LDKMessageSendEvent_HandleError_meth = NULL;
+static jclass LDKMessageSendEvent_PaymentFailureNetworkUpdate_class = NULL;
+static jmethodID LDKMessageSendEvent_PaymentFailureNetworkUpdate_meth = NULL;