Rearrange connection-related API classes.

This is the last rearrangement I plan to do.

proxy/src/main/java/com/velocitypowered/proxy/VelocityServer.java

@@ -11,8 +11,8 @@ import com.velocitypowered.api.event.lifecycle.ProxyReloadEvent;
 import com.velocitypowered.api.network.ProtocolVersion;
 import com.velocitypowered.api.plugin.PluginContainer;
 import com.velocitypowered.api.plugin.PluginManager;
-import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.ProxyServer;
+import com.velocitypowered.api.proxy.connection.Player;
 import com.velocitypowered.api.proxy.server.RegisteredServer;
 import com.velocitypowered.api.proxy.server.ServerInfo;
 import com.velocitypowered.api.util.Favicon;

proxy/src/main/java/com/velocitypowered/proxy/command/builtin/GlistCommand.java

@@ -12,8 +12,8 @@ import com.mojang.brigadier.tree.LiteralCommandNode;
 import com.velocitypowered.api.command.BrigadierCommand;
 import com.velocitypowered.api.command.CommandSource;
 import com.velocitypowered.api.permission.Tristate;
-import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.ProxyServer;
+import com.velocitypowered.api.proxy.connection.Player;
 import com.velocitypowered.api.proxy.server.RegisteredServer;
 import java.util.List;
 import java.util.Optional;

proxy/src/main/java/com/velocitypowered/proxy/command/builtin/ServerCommand.java

@@ -6,9 +6,9 @@ import com.google.common.collect.ImmutableList;
 import com.velocitypowered.api.command.CommandSource;
 import com.velocitypowered.api.command.SimpleCommand;
 import com.velocitypowered.api.permission.Tristate;
-import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.ProxyServer;
-import com.velocitypowered.api.proxy.ServerConnection;
+import com.velocitypowered.api.proxy.connection.Player;
+import com.velocitypowered.api.proxy.connection.ServerConnection;
 import com.velocitypowered.api.proxy.server.RegisteredServer;
 import com.velocitypowered.api.proxy.server.ServerInfo;
 import java.util.List;

proxy/src/main/java/com/velocitypowered/proxy/connection/backend/BungeeCordMessageResponder.java

@@ -1,7 +1,7 @@
 package com.velocitypowered.proxy.connection.backend;
 
 import com.velocitypowered.api.network.ProtocolVersion;
-import com.velocitypowered.api.proxy.Player;
+import com.velocitypowered.api.proxy.connection.Player;
 import com.velocitypowered.api.proxy.messages.LegacyChannelIdentifier;
 import com.velocitypowered.api.proxy.messages.MinecraftChannelIdentifier;
 import com.velocitypowered.api.proxy.server.RegisteredServer;

proxy/src/main/java/com/velocitypowered/proxy/connection/backend/VelocityServerConnection.java

@@ -7,8 +7,9 @@ import static com.velocitypowered.proxy.network.Connections.HANDLER;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableList;
 import com.velocitypowered.api.network.ProtocolVersion;
-import com.velocitypowered.api.proxy.ServerConnection;
+import com.velocitypowered.api.proxy.connection.ServerConnection;
 import com.velocitypowered.api.proxy.messages.ChannelIdentifier;
+import com.velocitypowered.api.proxy.player.ConnectionRequestBuilder;
 import com.velocitypowered.api.proxy.server.ServerInfo;
 import com.velocitypowered.api.util.GameProfile.Property;
 import com.velocitypowered.proxy.VelocityServer;
@@ -64,7 +65,7 @@ public class VelocityServerConnection implements MinecraftConnectionAssociation,
 
   /**
    * Connects to the server.
-   * @return a {@link com.velocitypowered.api.proxy.ConnectionRequestBuilder.Result} representing
+   * @return a {@link ConnectionRequestBuilder.Result} representing
    *         whether or not the connect succeeded
    */
   public CompletableFuture<Impl> connect() {

proxy/src/main/java/com/velocitypowered/proxy/connection/client/ConnectedPlayer.java

@@ -1,6 +1,6 @@
 package com.velocitypowered.proxy.connection.client;
 
-import static com.velocitypowered.api.proxy.ConnectionRequestBuilder.Status.ALREADY_CONNECTED;
+import static com.velocitypowered.api.proxy.player.ConnectionRequestBuilder.Status.ALREADY_CONNECTED;
 import static com.velocitypowered.proxy.connection.util.ConnectionRequestResults.plainResult;
 import static java.util.concurrent.CompletableFuture.completedFuture;
 
@@ -20,10 +20,10 @@ import com.velocitypowered.api.network.ProtocolVersion;
 import com.velocitypowered.api.permission.PermissionFunction;
 import com.velocitypowered.api.permission.PermissionProvider;
 import com.velocitypowered.api.permission.Tristate;
-import com.velocitypowered.api.proxy.ConnectionRequestBuilder;
-import com.velocitypowered.api.proxy.Player;
-import com.velocitypowered.api.proxy.ServerConnection;
+import com.velocitypowered.api.proxy.connection.Player;
+import com.velocitypowered.api.proxy.connection.ServerConnection;
 import com.velocitypowered.api.proxy.messages.ChannelIdentifier;
+import com.velocitypowered.api.proxy.player.ConnectionRequestBuilder;
 import com.velocitypowered.api.proxy.player.PlayerSettings;
 import com.velocitypowered.api.proxy.server.RegisteredServer;
 import com.velocitypowered.api.util.GameProfile;
@@ -322,14 +322,9 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player {
     return new ConnectionRequestBuilderImpl(server);
   }
 
-  @Override
-  public List<GameProfile.Property> getGameProfileProperties() {
-    return this.profile.getProperties();
-  }
-
   @Override
   public void setGameProfileProperties(List<GameProfile.Property> properties) {
-    this.profile = profile.withProperties(Preconditions.checkNotNull(properties));
+    this.profile = profile.withProperties(properties);
   }
 
   @Override

proxy/src/main/java/com/velocitypowered/proxy/connection/client/HandshakeSessionHandler.java

@@ -4,7 +4,7 @@ import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Preconditions;
 import com.velocitypowered.api.event.connection.ConnectionHandshakeEvent;
 import com.velocitypowered.api.network.ProtocolVersion;
-import com.velocitypowered.api.proxy.InboundConnection;
+import com.velocitypowered.api.proxy.connection.InboundConnection;
 import com.velocitypowered.proxy.VelocityServer;
 import com.velocitypowered.proxy.config.PlayerInfoForwarding;
 import com.velocitypowered.proxy.connection.ConnectionType;
@@ -23,8 +23,6 @@ import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.util.Optional;
 import net.kyori.adventure.text.Component;
-import net.kyori.adventure.text.TextComponent;
-import net.kyori.adventure.text.TranslatableComponent;
 import net.kyori.adventure.text.format.NamedTextColor;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;

proxy/src/main/java/com/velocitypowered/proxy/connection/client/InitialInboundConnection.java

@@ -1,7 +1,7 @@
 package com.velocitypowered.proxy.connection.client;
 
 import com.velocitypowered.api.network.ProtocolVersion;
-import com.velocitypowered.api.proxy.InboundConnection;
+import com.velocitypowered.api.proxy.connection.InboundConnection;
 import com.velocitypowered.proxy.connection.MinecraftConnection;
 import com.velocitypowered.proxy.connection.MinecraftConnectionAssociation;
 import com.velocitypowered.proxy.protocol.packet.Disconnect;

proxy/src/main/java/com/velocitypowered/proxy/connection/client/StatusSessionHandler.java

@@ -4,7 +4,7 @@ import com.google.common.collect.ImmutableList;
 import com.spotify.futures.CompletableFutures;
 import com.velocitypowered.api.event.connection.ProxyPingEvent;
 import com.velocitypowered.api.network.ProtocolVersion;
-import com.velocitypowered.api.proxy.InboundConnection;
+import com.velocitypowered.api.proxy.connection.InboundConnection;
 import com.velocitypowered.api.proxy.server.RegisteredServer;
 import com.velocitypowered.api.proxy.server.ServerPing;
 import com.velocitypowered.api.util.ModInfo;

proxy/src/main/java/com/velocitypowered/proxy/connection/util/ConnectionRequestResults.java

@@ -1,7 +1,7 @@
 package com.velocitypowered.proxy.connection.util;
 
-import com.velocitypowered.api.proxy.ConnectionRequestBuilder;
-import com.velocitypowered.api.proxy.ConnectionRequestBuilder.Status;
+import com.velocitypowered.api.proxy.player.ConnectionRequestBuilder;
+import com.velocitypowered.api.proxy.player.ConnectionRequestBuilder.Status;
 import com.velocitypowered.api.proxy.server.RegisteredServer;
 import com.velocitypowered.proxy.protocol.packet.Disconnect;
 import java.util.Optional;

proxy/src/main/java/com/velocitypowered/proxy/console/VelocityConsole.java

@@ -2,10 +2,10 @@ package com.velocitypowered.proxy.console;
 
 import static com.velocitypowered.api.permission.PermissionFunction.ALWAYS_TRUE;
 
+import com.velocitypowered.api.command.ConsoleCommandSource;
 import com.velocitypowered.api.event.permission.PermissionsSetupEvent;
 import com.velocitypowered.api.permission.PermissionFunction;
 import com.velocitypowered.api.permission.Tristate;
-import com.velocitypowered.api.proxy.ConsoleCommandSource;
 import com.velocitypowered.proxy.VelocityServer;
 import java.util.List;
 import net.kyori.adventure.identity.Identity;

proxy/src/main/java/com/velocitypowered/proxy/protocol/netty/GS4QueryHandler.java

@@ -10,7 +10,7 @@ import com.velocitypowered.api.event.connection.ProxyQueryEvent;
 import com.velocitypowered.api.network.ProtocolVersion;
 import com.velocitypowered.api.plugin.PluginContainer;
 import com.velocitypowered.api.plugin.PluginDescription;
-import com.velocitypowered.api.proxy.Player;
+import com.velocitypowered.api.proxy.connection.Player;
 import com.velocitypowered.api.proxy.server.QueryResponse;
 import com.velocitypowered.proxy.VelocityServer;
 import io.netty.buffer.ByteBuf;

proxy/src/main/java/com/velocitypowered/proxy/server/VelocityRegisteredServer.java

@@ -10,7 +10,7 @@ import static com.velocitypowered.proxy.network.Connections.READ_TIMEOUT;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableList;
 import com.velocitypowered.api.network.ProtocolVersion;
-import com.velocitypowered.api.proxy.Player;
+import com.velocitypowered.api.proxy.connection.Player;
 import com.velocitypowered.api.proxy.messages.ChannelIdentifier;
 import com.velocitypowered.api.proxy.server.RegisteredServer;
 import com.velocitypowered.api.proxy.server.ServerInfo;