datatypes.JSONSlice not found

type Rule struct {
ID uint64 `gorm:"column:id" db:"id"`
Content datatypes.JSONSlice[Tag] `gorm:"column:content" type:"json"`
Version int64 `gorm:"column:version" db:"version"` // 版本号,时间戳毫秒
CreatedAt time.Time `gorm:"column:created_at" db:"created_at"`
UpdatedAt time.Time `gorm:"column:updated_at" db:"updated_at"`
DeletedAt gorm.DeletedAt `gorm:"column:deleted_at" db:"deleted_at"`
}

JSONSlice is error