Typedef ser_ar_t
typedef struct packed {
ser_id_t id;
addr_t addr;
axi_pkg::len_t len;
axi_pkg::size_t size;
axi_pkg::burst_t burst;
logic lock;
axi_pkg::cache_t cache;
axi_pkg::prot_t prot;
axi_pkg::qos_t qos;
axi_pkg::region_t region;
user_t user;
} ser_ar_t;
AR channel after serializer