+struct nativeForwardNodeOpaque;
+typedef struct nativeForwardNodeOpaque LDKnativeForwardNode;
+struct nativeForwardTlvsOpaque;
+typedef struct nativeForwardTlvsOpaque LDKnativeForwardTlvs;
+struct nativeReceiveTlvsOpaque;
+typedef struct nativeReceiveTlvsOpaque LDKnativeReceiveTlvs;
+struct nativePaymentRelayOpaque;
+typedef struct nativePaymentRelayOpaque LDKnativePaymentRelay;
+struct nativePaymentConstraintsOpaque;
+typedef struct nativePaymentConstraintsOpaque LDKnativePaymentConstraints;