struct lttng_msgpack_writer *writer, uint64_t value);
int lttng_msgpack_write_signed_integer(
struct lttng_msgpack_writer *writer, int64_t value);
struct lttng_msgpack_writer *writer, uint64_t value);
int lttng_msgpack_write_signed_integer(
struct lttng_msgpack_writer *writer, int64_t value);