syntax = "proto3"; option java_package = "emu.grasscutter.net.proto"; enum MailCollectState { MAIL_COLLECT_STATE_COLLECTIBLE_UNKNOWN = 0; MAIL_COLLECT_STATE_NOT_COLLECTIBLE = 1; MAIL_COLLECT_STATE_COLLECTIBLE_UNCOLLECTED = 2; MAIL_COLLECT_STATE_COLLECTIBLE_COLLECTED = 3; }