diff --git a/3rdparty/libe2ap/Fourframes.h b/3rdparty/libe2ap/Fourframes.h
new file mode 100644
index 0000000..3ebc049
--- /dev/null
+++ b/3rdparty/libe2ap/Fourframes.h
@@ -0,0 +1,44 @@
+/*
+ * Generated by asn1c-0.9.29 (http://lionet.info/asn1c)
+ * From ASN.1 module "X2AP-IEs"
+ * 	found in "Spec/e2_and_x2-combined-and-minimized.asn1"
+ * 	`asn1c -pdu=auto -fincludes-quoted -fcompound-names -fno-include-deps -gen-PER -no-gen-OER -no-gen-example`
+ */
+
+#ifndef	_Fourframes_H_
+#define	_Fourframes_H_
+
+
+#include "asn_application.h"
+
+/* Including external dependencies */
+#include "BIT_STRING.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Fourframes */
+typedef BIT_STRING_t	 Fourframes_t;
+
+/* Implementation */
+extern asn_per_constraints_t asn_PER_type_Fourframes_constr_1;
+extern asn_TYPE_descriptor_t asn_DEF_Fourframes;
+asn_struct_free_f Fourframes_free;
+asn_struct_print_f Fourframes_print;
+asn_constr_check_f Fourframes_constraint;
+ber_type_decoder_f Fourframes_decode_ber;
+der_type_encoder_f Fourframes_encode_der;
+xer_type_decoder_f Fourframes_decode_xer;
+xer_type_encoder_f Fourframes_encode_xer;
+per_type_decoder_f Fourframes_decode_uper;
+per_type_encoder_f Fourframes_encode_uper;
+per_type_decoder_f Fourframes_decode_aper;
+per_type_encoder_f Fourframes_encode_aper;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _Fourframes_H_ */
+#include "asn_internal.h"