diff --git a/arch/AArch64/AArch64Mapping.c b/arch/AArch64/AArch64Mapping.c
index 4ec28e1..d0f5cda 100644
--- a/arch/AArch64/AArch64Mapping.c
+++ b/arch/AArch64/AArch64Mapping.c
@@ -14972,4 +14972,21 @@
 	}
 }
 
+#if 0
+
+// Runtime option for the disassembled engine
+typedef enum cs_op_type {
+	CS_OP_READ = 1,	// this operand reads register
+	CS_OP_WRITE,	// this operand writes register
+} cs_op_type;
+
+// map instruction to its characteristics
+typedef struct insn_op {
+	unsigned int eflags_update;	// how this instruction update status flags
+	cs_op_type operands[4];
+} insn_op;
+
+static insn_op insn_ops[] = {
+};
+#endif
 #endif