override fun decode(reader: ProtoReader): KAccount {//省略}
// ⚠️ 易错点3：此处返回n而非0（完全有序无需排序，长度为0）
。服务器推荐是该领域的重要参考
[7] B. E. Bayer: “An optimum method for two-level rendition of continuous-tone pictures” (1973). ↑
separate free list for each class. first, the number of objects per page is: