net.minecraft.network.protocol.configuration

Class
ClientboundCodeOfConductPacket
ClientboundFinishConfigurationPacket
ClientboundRegistryDataPacket
ClientboundResetChatPacket
ClientboundSelectKnownPacks
ClientboundUpdateEnabledFeaturesPacket
ConfigurationPacketTypes
ConfigurationProtocols
ServerboundAcceptCodeOfConductPacket
ServerboundFinishConfigurationPacket
ServerboundSelectKnownPacks

Interface
ClientConfigurationPacketListener
ServerConfigurationPacketListener