typedef struct nativeMinFinalCltvExpiryOpaque LDKnativeMinFinalCltvExpiry;
struct nativeInvoiceSignatureOpaque;
typedef struct nativeInvoiceSignatureOpaque LDKnativeInvoiceSignature;
typedef struct nativeMinFinalCltvExpiryOpaque LDKnativeMinFinalCltvExpiry;
struct nativeInvoiceSignatureOpaque;
typedef struct nativeInvoiceSignatureOpaque LDKnativeInvoiceSignature;