net.minecraft.server.network
类 class
LegacyQueryHandler
MemoryServerHandshakePacketListenerImpl
ServerConnectionListener
ServerConnectionListener$1
ServerConnectionListener$2
ServerGamePacketListenerImpl
ServerHandshakePacketListenerImpl
ServerLoginPacketListenerImpl
ServerLoginPacketListenerImpl$1
ServerStatusPacketListenerImpl
枚举 enum
ServerLoginPacketListenerImpl$State