Added KnownTranslationKeys (generated) and start using it

src/command/defaults/BanCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -38,8 +39,8 @@ class BanCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.ban.player.description",
-			"%commands.ban.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_BAN_PLAYER_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_BAN_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_BAN_PLAYER);
 	}
@@ -62,7 +63,7 @@ class BanCommand extends VanillaCommand{
 			$player->kick($reason !== "" ? "Banned by admin. Reason: " . $reason : "Banned by admin.");
 		}
 
-		Command::broadcastCommandMessage($sender, new TranslationContainer("%commands.ban.success", [$player !== null ? $player->getName() : $name]));
+		Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_BAN_SUCCESS, [$player !== null ? $player->getName() : $name]));
 
 		return true;
 	}

src/command/defaults/BanIpCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -39,8 +40,8 @@ class BanIpCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.ban.ip.description",
-			"%commands.banip.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_BAN_IP_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_BANIP_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_BAN_IP);
 	}
@@ -60,15 +61,15 @@ class BanIpCommand extends VanillaCommand{
 		if(preg_match("/^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])$/", $value)){
 			$this->processIPBan($value, $sender, $reason);
 
-			Command::broadcastCommandMessage($sender, new TranslationContainer("commands.banip.success", [$value]));
+			Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_BANIP_SUCCESS, [$value]));
 		}else{
 			if(($player = $sender->getServer()->getPlayerByPrefix($value)) instanceof Player){
 				$ip = $player->getNetworkSession()->getIp();
 				$this->processIPBan($ip, $sender, $reason);
 
-				Command::broadcastCommandMessage($sender, new TranslationContainer("commands.banip.success.players", [$ip, $player->getName()]));
+				Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_BANIP_SUCCESS_PLAYERS, [$ip, $player->getName()]));
 			}else{
-				$sender->sendMessage(new TranslationContainer("commands.banip.invalid"));
+				$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_BANIP_INVALID));
 
 				return false;
 			}

src/command/defaults/BanListCommand.php

@@ -25,6 +25,7 @@ namespace pocketmine\command\defaults;
 
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\BanEntry;
 use pocketmine\permission\DefaultPermissionNames;
@@ -40,8 +41,8 @@ class BanListCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.banlist.description",
-			"%commands.banlist.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_BANLIST_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_BANLIST_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_BAN_LIST);
 	}
@@ -72,9 +73,9 @@ class BanListCommand extends VanillaCommand{
 		$message = implode(", ", $list);
 
 		if($args[0] === "ips"){
-			$sender->sendMessage(new TranslationContainer("commands.banlist.ips", [count($list)]));
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_BANLIST_IPS, [count($list)]));
 		}else{
-			$sender->sendMessage(new TranslationContainer("commands.banlist.players", [count($list)]));
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_BANLIST_PLAYERS, [count($list)]));
 		}
 
 		$sender->sendMessage($message);

src/command/defaults/ClearCommand.php

@@ -28,6 +28,7 @@ use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
 use pocketmine\item\LegacyStringToItemParser;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -41,8 +42,8 @@ class ClearCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.clear.description",
-			"%pocketmine.command.clear.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_CLEAR_DESCRIPTION,
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_CLEAR_USAGE
 		);
 		$this->setPermission(implode(";", [DefaultPermissionNames::COMMAND_CLEAR_SELF, DefaultPermissionNames::COMMAND_CLEAR_OTHER]));
 	}
@@ -60,16 +61,16 @@ class ClearCommand extends VanillaCommand{
 		if(isset($args[0])){
 			$target = $sender->getServer()->getPlayerByPrefix($args[0]);
 			if($target === null){
-				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.generic.player.notFound"));
+				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PLAYER_NOTFOUND));
 				return true;
 			}
 			if($target !== $sender && !$sender->hasPermission(DefaultPermissionNames::COMMAND_CLEAR_OTHER)){
-				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%commands.generic.permission"));
+				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PERMISSION));
 				return true;
 			}
 		}elseif($sender instanceof Player){
 			if(!$sender->hasPermission(DefaultPermissionNames::COMMAND_CLEAR_SELF)){
-				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%commands.generic.permission"));
+				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PERMISSION));
 				return true;
 			}
 
@@ -89,7 +90,7 @@ class ClearCommand extends VanillaCommand{
 				}
 			}catch(InvalidArgumentException $e){
 				//vanilla checks this at argument parsing layer, can't come up with a better alternative
-				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.give.item.notFound", [$args[1]]));
+				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GIVE_ITEM_NOTFOUND, [$args[1]]));
 				return true;
 			}
 		}
@@ -103,9 +104,9 @@ class ClearCommand extends VanillaCommand{
 			}
 
 			if($count > 0){
-				$sender->sendMessage(new TranslationContainer("%commands.clear.testing", [$target->getName(), $count]));
+				$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_CLEAR_TESTING, [$target->getName(), $count]));
 			}else{
-				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.clear.failure.no.items", [$target->getName()]));
+				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_CLEAR_FAILURE_NO_ITEMS, [$target->getName()]));
 			}
 
 			return true;
@@ -165,9 +166,9 @@ class ClearCommand extends VanillaCommand{
 		}
 
 		if($cleared > 0){
-			Command::broadcastCommandMessage($sender, new TranslationContainer("%commands.clear.success", [$target->getName(), $cleared]));
+			Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_CLEAR_SUCCESS, [$target->getName(), $cleared]));
 		}else{
-			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.clear.failure.no.items", [$target->getName()]));
+			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_CLEAR_FAILURE_NO_ITEMS, [$target->getName()]));
 		}
 
 		return true;

src/command/defaults/DefaultGamemodeCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
 use pocketmine\data\java\GameModeIdMap;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\GameMode;
@@ -36,8 +37,8 @@ class DefaultGamemodeCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.defaultgamemode.description",
-			"%commands.defaultgamemode.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_DEFAULTGAMEMODE_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_DEFAULTGAMEMODE_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_DEFAULTGAMEMODE);
 	}
@@ -58,7 +59,7 @@ class DefaultGamemodeCommand extends VanillaCommand{
 		}
 
 		$sender->getServer()->getConfigGroup()->setConfigInt("gamemode", GameModeIdMap::getInstance()->toId($gameMode));
-		$sender->sendMessage(new TranslationContainer("commands.defaultgamemode.success", [$gameMode->getTranslationKey()]));
+		$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_DEFAULTGAMEMODE_SUCCESS, [$gameMode->getTranslationKey()]));
 		return true;
 	}
 }

src/command/defaults/DeopCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -38,8 +39,8 @@ class DeopCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.deop.description",
-			"%commands.deop.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_DEOP_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_DEOP_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_OP_TAKE);
 	}
@@ -62,7 +63,7 @@ class DeopCommand extends VanillaCommand{
 		if(($player = $sender->getServer()->getPlayerExact($name)) !== null){
 			$player->sendMessage(TextFormat::GRAY . "You are no longer op!");
 		}
-		Command::broadcastCommandMessage($sender, new TranslationContainer("commands.deop.success", [$name]));
+		Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_DEOP_SUCCESS, [$name]));
 
 		return true;
 	}

src/command/defaults/DifficultyCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\world\World;
@@ -36,8 +37,8 @@ class DifficultyCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.difficulty.description",
-			"%commands.difficulty.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_DIFFICULTY_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_DIFFICULTY_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_DIFFICULTY);
 	}
@@ -65,7 +66,7 @@ class DifficultyCommand extends VanillaCommand{
 				$world->setDifficulty($difficulty);
 			}
 
-			Command::broadcastCommandMessage($sender, new TranslationContainer("commands.difficulty.success", [$difficulty]));
+			Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_DIFFICULTY_SUCCESS, [$difficulty]));
 		}else{
 			throw new InvalidCommandSyntaxException();
 		}

src/command/defaults/EffectCommand.php

@@ -27,6 +27,7 @@ use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
 use pocketmine\entity\effect\EffectInstance;
 use pocketmine\entity\effect\VanillaEffects;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\utils\Limits;
@@ -39,8 +40,8 @@ class EffectCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.effect.description",
-			"%commands.effect.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_EFFECT_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_EFFECT_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_EFFECT);
 	}
@@ -57,7 +58,7 @@ class EffectCommand extends VanillaCommand{
 		$player = $sender->getServer()->getPlayerByPrefix($args[0]);
 
 		if($player === null){
-			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.generic.player.notFound"));
+			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PLAYER_NOTFOUND));
 			return true;
 		}
 		$effectManager = $player->getEffects();
@@ -65,14 +66,14 @@ class EffectCommand extends VanillaCommand{
 		if(strtolower($args[1]) === "clear"){
 			$effectManager->clear();
 
-			$sender->sendMessage(new TranslationContainer("commands.effect.success.removed.all", [$player->getDisplayName()]));
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_EFFECT_SUCCESS_REMOVED_ALL, [$player->getDisplayName()]));
 			return true;
 		}
 
 		try{
 			$effect = VanillaEffects::fromString($args[1]);
 		}catch(\InvalidArgumentException $e){
-			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.effect.notFound", [$args[1]]));
+			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_EFFECT_NOTFOUND, [$args[1]]));
 			return true;
 		}
 
@@ -105,19 +106,19 @@ class EffectCommand extends VanillaCommand{
 		if($duration === 0){
 			if(!$effectManager->has($effect)){
 				if(count($effectManager->all()) === 0){
-					$sender->sendMessage(new TranslationContainer("commands.effect.failure.notActive.all", [$player->getDisplayName()]));
+					$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_EFFECT_FAILURE_NOTACTIVE_ALL, [$player->getDisplayName()]));
 				}else{
-					$sender->sendMessage(new TranslationContainer("commands.effect.failure.notActive", [$effect->getName(), $player->getDisplayName()]));
+					$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_EFFECT_FAILURE_NOTACTIVE, [$effect->getName(), $player->getDisplayName()]));
 				}
 				return true;
 			}
 
 			$effectManager->remove($effect);
-			$sender->sendMessage(new TranslationContainer("commands.effect.success.removed", [$effect->getName(), $player->getDisplayName()]));
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_EFFECT_SUCCESS_REMOVED, [$effect->getName(), $player->getDisplayName()]));
 		}else{
 			$instance = new EffectInstance($effect, $duration, $amplification, $visible);
 			$effectManager->add($instance);
-			self::broadcastCommandMessage($sender, new TranslationContainer("%commands.effect.success", [$effect->getName(), $instance->getAmplifier(), $player->getDisplayName(), $instance->getDuration() / 20]));
+			self::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_EFFECT_SUCCESS, [$effect->getName(), $instance->getAmplifier(), $player->getDisplayName(), $instance->getDuration() / 20]));
 		}
 
 		return true;

src/command/defaults/EnchantCommand.php

@@ -27,6 +27,7 @@ use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
 use pocketmine\item\enchantment\EnchantmentInstance;
 use pocketmine\item\enchantment\VanillaEnchantments;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\utils\TextFormat;
@@ -37,8 +38,8 @@ class EnchantCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.enchant.description",
-			"%commands.enchant.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_ENCHANT_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_ENCHANT_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_ENCHANT);
 	}
@@ -55,21 +56,21 @@ class EnchantCommand extends VanillaCommand{
 		$player = $sender->getServer()->getPlayerByPrefix($args[0]);
 
 		if($player === null){
-			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.generic.player.notFound"));
+			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PLAYER_NOTFOUND));
 			return true;
 		}
 
 		$item = $player->getInventory()->getItemInHand();
 
 		if($item->isNull()){
-			$sender->sendMessage(new TranslationContainer("commands.enchant.noItem"));
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_ENCHANT_NOITEM));
 			return true;
 		}
 
 		try{
 			$enchantment = VanillaEnchantments::fromString($args[1]);
 		}catch(\InvalidArgumentException $e){
-			$sender->sendMessage(new TranslationContainer("commands.enchant.notFound", [$args[1]]));
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_ENCHANT_NOTFOUND, [$args[1]]));
 			return true;
 		}
 
@@ -84,7 +85,7 @@ class EnchantCommand extends VanillaCommand{
 		$item->addEnchantment(new EnchantmentInstance($enchantment, $level));
 		$player->getInventory()->setItemInHand($item);
 
-		self::broadcastCommandMessage($sender, new TranslationContainer("%commands.enchant.success", [$player->getName()]));
+		self::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_ENCHANT_SUCCESS, [$player->getName()]));
 		return true;
 	}
 }

src/command/defaults/GamemodeCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\GameMode;
@@ -38,8 +39,8 @@ class GamemodeCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.gamemode.description",
-			"%commands.gamemode.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_GAMEMODE_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_GAMEMODE_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_GAMEMODE);
 	}
@@ -62,7 +63,7 @@ class GamemodeCommand extends VanillaCommand{
 		if(isset($args[1])){
 			$target = $sender->getServer()->getPlayerByPrefix($args[1]);
 			if($target === null){
-				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.generic.player.notFound"));
+				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PLAYER_NOTFOUND));
 
 				return true;
 			}
@@ -77,10 +78,10 @@ class GamemodeCommand extends VanillaCommand{
 			$sender->sendMessage("Game mode change for " . $target->getName() . " failed!");
 		}else{
 			if($target === $sender){
-				Command::broadcastCommandMessage($sender, new TranslationContainer("commands.gamemode.success.self", [$gameMode->getTranslationKey()]));
+				Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_GAMEMODE_SUCCESS_SELF, [$gameMode->getTranslationKey()]));
 			}else{
-				$target->sendMessage(new TranslationContainer("gameMode.changed", [$gameMode->getTranslationKey()]));
-				Command::broadcastCommandMessage($sender, new TranslationContainer("commands.gamemode.success.other", [$gameMode->getTranslationKey(), $target->getName()]));
+				$target->sendMessage(new TranslationContainer(KnownTranslationKeys::GAMEMODE_CHANGED, [$gameMode->getTranslationKey()]));
+				Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_GAMEMODE_SUCCESS_OTHER, [$gameMode->getTranslationKey(), $target->getName()]));
 			}
 		}
 

src/command/defaults/GarbageCollectorCommand.php

@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\command\defaults;
 
 use pocketmine\command\CommandSender;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\utils\TextFormat;
 use function count;
@@ -36,8 +37,8 @@ class GarbageCollectorCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.gc.description",
-			"%pocketmine.command.gc.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_GC_DESCRIPTION,
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_GC_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_GC);
 	}

src/command/defaults/GiveCommand.php

@@ -27,6 +27,7 @@ use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
 use pocketmine\item\LegacyStringToItemParser;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\nbt\JsonNbtParser;
 use pocketmine\nbt\NbtDataException;
@@ -41,8 +42,8 @@ class GiveCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.give.description",
-			"%pocketmine.command.give.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_GIVE_DESCRIPTION,
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_GIVE_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_GIVE);
 	}

src/command/defaults/HelpCommand.php

@@ -25,6 +25,7 @@ namespace pocketmine\command\defaults;
 
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\utils\TextFormat;
@@ -45,8 +46,8 @@ class HelpCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.help.description",
-			"%commands.help.usage",
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_HELP_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_HELP_USAGE,
 			["?"]
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_HELP);
@@ -87,7 +88,7 @@ class HelpCommand extends VanillaCommand{
 			if($pageNumber < 1){
 				$pageNumber = 1;
 			}
-			$sender->sendMessage(new TranslationContainer("commands.help.header", [$pageNumber, count($commands)]));
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_HELP_HEADER, [$pageNumber, count($commands)]));
 			if(isset($commands[$pageNumber - 1])){
 				foreach($commands[$pageNumber - 1] as $command){
 					$sender->sendMessage(TextFormat::DARK_GREEN . "/" . $command->getName() . ": " . TextFormat::WHITE . $command->getDescription());

src/command/defaults/KickCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -40,8 +41,8 @@ class KickCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.kick.description",
-			"%commands.kick.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_KICK_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_KICK_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_KICK);
 	}
@@ -61,12 +62,12 @@ class KickCommand extends VanillaCommand{
 		if(($player = $sender->getServer()->getPlayerByPrefix($name)) instanceof Player){
 			$player->kick("Kicked by admin." . ($reason !== "" ? "Reason: " . $reason : ""));
 			if($reason !== ""){
-				Command::broadcastCommandMessage($sender, new TranslationContainer("commands.kick.success.reason", [$player->getName(), $reason]));
+				Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_KICK_SUCCESS_REASON, [$player->getName(), $reason]));
 			}else{
-				Command::broadcastCommandMessage($sender, new TranslationContainer("commands.kick.success", [$player->getName()]));
+				Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_KICK_SUCCESS, [$player->getName()]));
 			}
 		}else{
-			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.generic.player.notFound"));
+			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PLAYER_NOTFOUND));
 		}
 
 		return true;

src/command/defaults/KillCommand.php

@@ -27,6 +27,7 @@ use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
 use pocketmine\event\entity\EntityDamageEvent;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -39,8 +40,8 @@ class KillCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.kill.description",
-			"%pocketmine.command.kill.usage",
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_KILL_DESCRIPTION,
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_KILL_USAGE,
 			["suicide"]
 		);
 		$this->setPermission(implode(";", [DefaultPermissionNames::COMMAND_KILL_SELF, DefaultPermissionNames::COMMAND_KILL_OTHER]));
@@ -57,7 +58,7 @@ class KillCommand extends VanillaCommand{
 
 		if(count($args) === 1){
 			if(!$sender->hasPermission(DefaultPermissionNames::COMMAND_KILL_OTHER)){
-				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%commands.generic.permission"));
+				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PERMISSION));
 
 				return true;
 			}
@@ -66,9 +67,9 @@ class KillCommand extends VanillaCommand{
 
 			if($player instanceof Player){
 				$player->attack(new EntityDamageEvent($player, EntityDamageEvent::CAUSE_SUICIDE, 1000));
-				Command::broadcastCommandMessage($sender, new TranslationContainer("commands.kill.successful", [$player->getName()]));
+				Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_KILL_SUCCESSFUL, [$player->getName()]));
 			}else{
-				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.generic.player.notFound"));
+				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PLAYER_NOTFOUND));
 			}
 
 			return true;
@@ -76,13 +77,13 @@ class KillCommand extends VanillaCommand{
 
 		if($sender instanceof Player){
 			if(!$sender->hasPermission(DefaultPermissionNames::COMMAND_KILL_SELF)){
-				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%commands.generic.permission"));
+				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PERMISSION));
 
 				return true;
 			}
 
 			$sender->attack(new EntityDamageEvent($sender, EntityDamageEvent::CAUSE_SUICIDE, 1000));
-			$sender->sendMessage(new TranslationContainer("commands.kill.successful", [$sender->getName()]));
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_KILL_SUCCESSFUL, [$sender->getName()]));
 		}else{
 			throw new InvalidCommandSyntaxException();
 		}

src/command/defaults/ListCommand.php

@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\command\defaults;
 
 use pocketmine\command\CommandSender;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -39,8 +40,8 @@ class ListCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.list.description",
-			"%command.players.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_LIST_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_PLAYERS_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_LIST);
 	}
@@ -57,7 +58,7 @@ class ListCommand extends VanillaCommand{
 		}));
 		sort($playerNames, SORT_STRING);
 
-		$sender->sendMessage(new TranslationContainer("commands.players.list", [count($playerNames), $sender->getServer()->getMaxPlayers()]));
+		$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_PLAYERS_LIST, [count($playerNames), $sender->getServer()->getMaxPlayers()]));
 		$sender->sendMessage(implode(", ", $playerNames));
 
 		return true;

src/command/defaults/MeCommand.php

@@ -25,6 +25,7 @@ namespace pocketmine\command\defaults;
 
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -37,8 +38,8 @@ class MeCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.me.description",
-			"%commands.me.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_ME_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_ME_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_ME);
 	}
@@ -52,7 +53,7 @@ class MeCommand extends VanillaCommand{
 			throw new InvalidCommandSyntaxException();
 		}
 
-		$sender->getServer()->broadcastMessage(new TranslationContainer("chat.type.emote", [$sender instanceof Player ? $sender->getDisplayName() : $sender->getName(), TextFormat::WHITE . implode(" ", $args)]));
+		$sender->getServer()->broadcastMessage(new TranslationContainer(KnownTranslationKeys::CHAT_TYPE_EMOTE, [$sender instanceof Player ? $sender->getDisplayName() : $sender->getName(), TextFormat::WHITE . implode(" ", $args)]));
 
 		return true;
 	}

src/command/defaults/OpCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -38,8 +39,8 @@ class OpCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.op.description",
-			"%commands.op.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_OP_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_OP_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_OP_GIVE);
 	}
@@ -62,7 +63,7 @@ class OpCommand extends VanillaCommand{
 		if(($player = $sender->getServer()->getPlayerExact($name)) !== null){
 			$player->sendMessage(TextFormat::GRAY . "You are now op!");
 		}
-		Command::broadcastCommandMessage($sender, new TranslationContainer("commands.op.success", [$name]));
+		Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_OP_SUCCESS, [$name]));
 		return true;
 	}
 }

src/command/defaults/PardonCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use function count;
@@ -35,8 +36,8 @@ class PardonCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.unban.player.description",
-			"%commands.unban.usage",
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_UNBAN_PLAYER_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_UNBAN_USAGE,
 			["unban"]
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_UNBAN_PLAYER);
@@ -53,7 +54,7 @@ class PardonCommand extends VanillaCommand{
 
 		$sender->getServer()->getNameBans()->remove($args[0]);
 
-		Command::broadcastCommandMessage($sender, new TranslationContainer("commands.unban.success", [$args[0]]));
+		Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_UNBAN_SUCCESS, [$args[0]]));
 
 		return true;
 	}

src/command/defaults/PardonIpCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use function count;
@@ -36,8 +37,8 @@ class PardonIpCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.unban.ip.description",
-			"%commands.unbanip.usage",
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_UNBAN_IP_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_UNBANIP_USAGE,
 			["unban-ip"]
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_UNBAN_IP);
@@ -55,9 +56,9 @@ class PardonIpCommand extends VanillaCommand{
 		if(preg_match("/^([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])\\.([01]?\\d\\d?|2[0-4]\\d|25[0-5])$/", $args[0])){
 			$sender->getServer()->getIPBans()->remove($args[0]);
 			$sender->getServer()->getNetwork()->unblockAddress($args[0]);
-			Command::broadcastCommandMessage($sender, new TranslationContainer("commands.unbanip.success", [$args[0]]));
+			Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_UNBANIP_SUCCESS, [$args[0]]));
 		}else{
-			$sender->sendMessage(new TranslationContainer("commands.unbanip.invalid"));
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_UNBANIP_INVALID));
 		}
 
 		return true;

src/command/defaults/ParticleCommand.php

@@ -29,6 +29,7 @@ use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
 use pocketmine\item\ItemFactory;
 use pocketmine\item\VanillaItems;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\math\Vector3;
 use pocketmine\permission\DefaultPermissionNames;
@@ -78,8 +79,8 @@ class ParticleCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.particle.description",
-			"%pocketmine.command.particle.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_PARTICLE_DESCRIPTION,
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_PARTICLE_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_PARTICLE);
 	}
@@ -119,11 +120,11 @@ class ParticleCommand extends VanillaCommand{
 		$particle = $this->getParticle($name, $data);
 
 		if($particle === null){
-			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.particle.notFound", [$name]));
+			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_PARTICLE_NOTFOUND, [$name]));
 			return true;
 		}
 
-		$sender->sendMessage(new TranslationContainer("commands.particle.success", [$name, $count]));
+		$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_PARTICLE_SUCCESS, [$name, $count]));
 
 		$random = new Random((int) (microtime(true) * 1000) + mt_rand());
 

src/command/defaults/PluginsCommand.php

@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\command\defaults;
 
 use pocketmine\command\CommandSender;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\plugin\Plugin;
@@ -39,8 +40,8 @@ class PluginsCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.plugins.description",
-			"%pocketmine.command.plugins.usage",
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_PLUGINS_DESCRIPTION,
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_PLUGINS_USAGE,
 			["pl"]
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_PLUGINS);
@@ -56,7 +57,7 @@ class PluginsCommand extends VanillaCommand{
 		}, $sender->getServer()->getPluginManager()->getPlugins());
 		sort($list, SORT_STRING);
 
-		$sender->sendMessage(new TranslationContainer("pocketmine.command.plugins.success", [count($list), implode(TextFormat::WHITE . ", ", $list)]));
+		$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::POCKETMINE_COMMAND_PLUGINS_SUCCESS, [count($list), implode(TextFormat::WHITE . ", ", $list)]));
 		return true;
 	}
 }

src/command/defaults/SaveCommand.php

@@ -25,6 +25,7 @@ namespace pocketmine\command\defaults;
 
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use function microtime;
@@ -35,8 +36,8 @@ class SaveCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.save.description",
-			"%commands.save.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_SAVE_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_SAVE_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_SAVE_PERFORM);
 	}
@@ -46,7 +47,7 @@ class SaveCommand extends VanillaCommand{
 			return true;
 		}
 
-		Command::broadcastCommandMessage($sender, new TranslationContainer("pocketmine.save.start"));
+		Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::POCKETMINE_SAVE_START));
 		$start = microtime(true);
 
 		foreach($sender->getServer()->getOnlinePlayers() as $player){
@@ -57,7 +58,7 @@ class SaveCommand extends VanillaCommand{
 			$world->save(true);
 		}
 
-		Command::broadcastCommandMessage($sender, new TranslationContainer("pocketmine.save.success", [round(microtime(true) - $start, 3)]));
+		Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::POCKETMINE_SAVE_SUCCESS, [round(microtime(true) - $start, 3)]));
 
 		return true;
 	}

src/command/defaults/SaveOffCommand.php

@@ -25,6 +25,7 @@ namespace pocketmine\command\defaults;
 
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 
@@ -33,8 +34,8 @@ class SaveOffCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.saveoff.description",
-			"%commands.save-off.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_SAVEOFF_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_SAVE_OFF_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_SAVE_DISABLE);
 	}
@@ -46,7 +47,7 @@ class SaveOffCommand extends VanillaCommand{
 
 		$sender->getServer()->getWorldManager()->setAutoSave(false);
 
-		Command::broadcastCommandMessage($sender, new TranslationContainer("commands.save.disabled"));
+		Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_SAVE_DISABLED));
 
 		return true;
 	}

src/command/defaults/SaveOnCommand.php

@@ -25,6 +25,7 @@ namespace pocketmine\command\defaults;
 
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 
@@ -33,8 +34,8 @@ class SaveOnCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.saveon.description",
-			"%commands.save-on.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_SAVEON_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_SAVE_ON_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_SAVE_ENABLE);
 	}
@@ -46,7 +47,7 @@ class SaveOnCommand extends VanillaCommand{
 
 		$sender->getServer()->getWorldManager()->setAutoSave(true);
 
-		Command::broadcastCommandMessage($sender, new TranslationContainer("commands.save.enabled"));
+		Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_SAVE_ENABLED));
 
 		return true;
 	}

src/command/defaults/SayCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
 use pocketmine\console\ConsoleCommandSender;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -38,8 +39,8 @@ class SayCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.say.description",
-			"%commands.say.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_SAY_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_SAY_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_SAY);
 	}
@@ -53,7 +54,7 @@ class SayCommand extends VanillaCommand{
 			throw new InvalidCommandSyntaxException();
 		}
 
-		$sender->getServer()->broadcastMessage(new TranslationContainer(TextFormat::LIGHT_PURPLE . "%chat.type.announcement", [$sender instanceof Player ? $sender->getDisplayName() : ($sender instanceof ConsoleCommandSender ? "Server" : $sender->getName()), TextFormat::LIGHT_PURPLE . implode(" ", $args)]));
+		$sender->getServer()->broadcastMessage(new TranslationContainer(TextFormat::LIGHT_PURPLE . "%" . KnownTranslationKeys::CHAT_TYPE_ANNOUNCEMENT, [$sender instanceof Player ? $sender->getDisplayName() : ($sender instanceof ConsoleCommandSender ? "Server" : $sender->getName()), TextFormat::LIGHT_PURPLE . implode(" ", $args)]));
 		return true;
 	}
 }

src/command/defaults/SeedCommand.php

@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\command\defaults;
 
 use pocketmine\command\CommandSender;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -33,8 +34,8 @@ class SeedCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.seed.description",
-			"%commands.seed.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_SEED_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_SEED_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_SEED);
 	}
@@ -49,7 +50,7 @@ class SeedCommand extends VanillaCommand{
 		}else{
 			$seed = $sender->getServer()->getWorldManager()->getDefaultWorld()->getSeed();
 		}
-		$sender->sendMessage(new TranslationContainer("commands.seed.success", [$seed]));
+		$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_SEED_SUCCESS, [$seed]));
 
 		return true;
 	}

src/command/defaults/SetWorldSpawnCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\math\Vector3;
 use pocketmine\permission\DefaultPermissionNames;
@@ -39,8 +40,8 @@ class SetWorldSpawnCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.setworldspawn.description",
-			"%commands.setworldspawn.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_SETWORLDSPAWN_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_SETWORLDSPAWN_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_SETWORLDSPAWN);
 	}
@@ -69,7 +70,7 @@ class SetWorldSpawnCommand extends VanillaCommand{
 
 		$world->setSpawnLocation($pos);
 
-		Command::broadcastCommandMessage($sender, new TranslationContainer("commands.setworldspawn.success", [round($pos->x, 2), round($pos->y, 2), round($pos->z, 2)]));
+		Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_SETWORLDSPAWN_SUCCESS, [round($pos->x, 2), round($pos->y, 2), round($pos->z, 2)]));
 
 		return true;
 	}

src/command/defaults/SpawnpointCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -40,8 +41,8 @@ class SpawnpointCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.spawnpoint.description",
-			"%commands.spawnpoint.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_SPAWNPOINT_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_SPAWNPOINT_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_SPAWNPOINT);
 	}
@@ -64,7 +65,7 @@ class SpawnpointCommand extends VanillaCommand{
 		}else{
 			$target = $sender->getServer()->getPlayerByPrefix($args[0]);
 			if($target === null){
-				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.generic.player.notFound"));
+				$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PLAYER_NOTFOUND));
 
 				return true;
 			}
@@ -78,7 +79,7 @@ class SpawnpointCommand extends VanillaCommand{
 			$z = $this->getRelativeDouble($pos->z, $sender, $args[3]);
 			$target->setSpawn(new Position($x, $y, $z, $world));
 
-			Command::broadcastCommandMessage($sender, new TranslationContainer("commands.spawnpoint.success", [$target->getName(), round($x, 2), round($y, 2), round($z, 2)]));
+			Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_SPAWNPOINT_SUCCESS, [$target->getName(), round($x, 2), round($y, 2), round($z, 2)]));
 
 			return true;
 		}elseif(count($args) <= 1){
@@ -87,7 +88,7 @@ class SpawnpointCommand extends VanillaCommand{
 				$pos = Position::fromObject($cpos->floor(), $cpos->getWorld());
 				$target->setSpawn($pos);
 
-				Command::broadcastCommandMessage($sender, new TranslationContainer("commands.spawnpoint.success", [$target->getName(), round($pos->x, 2), round($pos->y, 2), round($pos->z, 2)]));
+				Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_SPAWNPOINT_SUCCESS, [$target->getName(), round($pos->x, 2), round($pos->y, 2), round($pos->z, 2)]));
 				return true;
 			}else{
 				$sender->sendMessage(TextFormat::RED . "Please provide a player!");

src/command/defaults/StatusCommand.php

@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\command\defaults;
 
 use pocketmine\command\CommandSender;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\utils\Process;
 use pocketmine\utils\TextFormat;
@@ -38,8 +39,8 @@ class StatusCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.status.description",
-			"%pocketmine.command.status.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_STATUS_DESCRIPTION,
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_STATUS_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_STATUS);
 	}

src/command/defaults/StopCommand.php

@@ -25,6 +25,7 @@ namespace pocketmine\command\defaults;
 
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 
@@ -33,8 +34,8 @@ class StopCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.stop.description",
-			"%commands.stop.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_STOP_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_STOP_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_STOP);
 	}
@@ -44,7 +45,7 @@ class StopCommand extends VanillaCommand{
 			return true;
 		}
 
-		Command::broadcastCommandMessage($sender, new TranslationContainer("commands.stop.start"));
+		Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_STOP_START));
 
 		$sender->getServer()->shutdown();
 

src/command/defaults/TeleportCommand.php

@@ -27,6 +27,7 @@ use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
 use pocketmine\entity\Location;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -41,8 +42,8 @@ class TeleportCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.tp.description",
-			"%commands.tp.usage",
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_TP_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_TP_USAGE,
 			["teleport"]
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_TELEPORT);
@@ -96,7 +97,7 @@ class TeleportCommand extends VanillaCommand{
 				}
 
 				$subject->teleport($targetPlayer->getLocation());
-				Command::broadcastCommandMessage($sender, new TranslationContainer("commands.tp.success", [$subject->getName(), $targetPlayer->getName()]));
+				Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_TP_SUCCESS, [$subject->getName(), $targetPlayer->getName()]));
 
 				return true;
 			case 3:
@@ -116,7 +117,7 @@ class TeleportCommand extends VanillaCommand{
 				$targetLocation = new Location($x, $y, $z, $yaw, $pitch, $base->getWorld());
 
 				$subject->teleport($targetLocation);
-				Command::broadcastCommandMessage($sender, new TranslationContainer("commands.tp.success.coordinates", [
+				Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_TP_SUCCESS_COORDINATES, [
 					$subject->getName(),
 					round($targetLocation->x, 2),
 					round($targetLocation->y, 2),

src/command/defaults/TellCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -39,8 +40,8 @@ class TellCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.tell.description",
-			"%commands.message.usage",
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_TELL_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_MESSAGE_USAGE,
 			["w", "msg"]
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_TELL);
@@ -58,18 +59,18 @@ class TellCommand extends VanillaCommand{
 		$player = $sender->getServer()->getPlayerByPrefix(array_shift($args));
 
 		if($player === $sender){
-			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%commands.message.sameTarget"));
+			$sender->sendMessage(new TranslationContainer(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_MESSAGE_SAMETARGET));
 			return true;
 		}
 
 		if($player instanceof Player){
 			$message = implode(" ", $args);
-			$sender->sendMessage(new TranslationContainer(TextFormat::GRAY . TextFormat::ITALIC . "%commands.message.display.outgoing", [$player->getDisplayName(), $message]));
+			$sender->sendMessage(new TranslationContainer(TextFormat::GRAY . TextFormat::ITALIC . "%" . KnownTranslationKeys::COMMANDS_MESSAGE_DISPLAY_OUTGOING, [$player->getDisplayName(), $message]));
 			$name = $sender instanceof Player ? $sender->getDisplayName() : $sender->getName();
-			$player->sendMessage(new TranslationContainer(TextFormat::GRAY . TextFormat::ITALIC . "%commands.message.display.incoming", [$name, $message]));
-			Command::broadcastCommandMessage($sender, new TranslationContainer("%commands.message.display.outgoing", [$player->getDisplayName(), $message]), false);
+			$player->sendMessage(new TranslationContainer(TextFormat::GRAY . TextFormat::ITALIC . "%" . KnownTranslationKeys::COMMANDS_MESSAGE_DISPLAY_INCOMING, [$name, $message]));
+			Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_MESSAGE_DISPLAY_OUTGOING, [$player->getDisplayName(), $message]), false);
 		}else{
-			$sender->sendMessage(new TranslationContainer("commands.generic.player.notFound"));
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_GENERIC_PLAYER_NOTFOUND));
 		}
 
 		return true;

src/command/defaults/TimeCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -39,8 +40,8 @@ class TimeCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.time.description",
-			"%pocketmine.command.time.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_TIME_DESCRIPTION,
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_TIME_USAGE
 		);
 		$this->setPermission(implode(";", [
 			DefaultPermissionNames::COMMAND_TIME_ADD,
@@ -61,7 +62,7 @@ class TimeCommand extends VanillaCommand{
 
 		if($args[0] === "start"){
 			if(!$sender->hasPermission(DefaultPermissionNames::COMMAND_TIME_START)){
-				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%commands.generic.permission"));
+				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PERMISSION));
 
 				return true;
 			}
@@ -72,7 +73,7 @@ class TimeCommand extends VanillaCommand{
 			return true;
 		}elseif($args[0] === "stop"){
 			if(!$sender->hasPermission(DefaultPermissionNames::COMMAND_TIME_STOP)){
-				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%commands.generic.permission"));
+				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PERMISSION));
 
 				return true;
 			}
@@ -83,7 +84,7 @@ class TimeCommand extends VanillaCommand{
 			return true;
 		}elseif($args[0] === "query"){
 			if(!$sender->hasPermission(DefaultPermissionNames::COMMAND_TIME_QUERY)){
-				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%commands.generic.permission"));
+				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PERMISSION));
 
 				return true;
 			}
@@ -92,7 +93,7 @@ class TimeCommand extends VanillaCommand{
 			}else{
 				$world = $sender->getServer()->getWorldManager()->getDefaultWorld();
 			}
-			$sender->sendMessage($sender->getLanguage()->translateString("commands.time.query", [$world->getTime()]));
+			$sender->sendMessage($sender->getLanguage()->translateString(KnownTranslationKeys::COMMANDS_TIME_QUERY, [$world->getTime()]));
 			return true;
 		}
 
@@ -102,7 +103,7 @@ class TimeCommand extends VanillaCommand{
 
 		if($args[0] === "set"){
 			if(!$sender->hasPermission(DefaultPermissionNames::COMMAND_TIME_SET)){
-				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%commands.generic.permission"));
+				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PERMISSION));
 
 				return true;
 			}
@@ -134,10 +135,10 @@ class TimeCommand extends VanillaCommand{
 			foreach($sender->getServer()->getWorldManager()->getWorlds() as $world){
 				$world->setTime($value);
 			}
-			Command::broadcastCommandMessage($sender, new TranslationContainer("commands.time.set", [$value]));
+			Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_TIME_SET, [$value]));
 		}elseif($args[0] === "add"){
 			if(!$sender->hasPermission(DefaultPermissionNames::COMMAND_TIME_ADD)){
-				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%commands.generic.permission"));
+				$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PERMISSION));
 
 				return true;
 			}
@@ -146,7 +147,7 @@ class TimeCommand extends VanillaCommand{
 			foreach($sender->getServer()->getWorldManager()->getWorlds() as $world){
 				$world->setTime($world->getTime() + $value);
 			}
-			Command::broadcastCommandMessage($sender, new TranslationContainer("commands.time.added", [$value]));
+			Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_TIME_ADDED, [$value]));
 		}else{
 			throw new InvalidCommandSyntaxException();
 		}

src/command/defaults/TimingsCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -59,8 +60,8 @@ class TimingsCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.timings.description",
-			"%pocketmine.command.timings.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_TIMINGS_DESCRIPTION,
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_TIMINGS_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_TIMINGS);
 	}
@@ -78,21 +79,21 @@ class TimingsCommand extends VanillaCommand{
 
 		if($mode === "on"){
 			if(TimingsHandler::isEnabled()){
-				$sender->sendMessage(new TranslationContainer("pocketmine.command.timings.alreadyEnabled"));
+				$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::POCKETMINE_COMMAND_TIMINGS_ALREADYENABLED));
 				return true;
 			}
 			TimingsHandler::setEnabled();
-			Command::broadcastCommandMessage($sender, new TranslationContainer("pocketmine.command.timings.enable"));
+			Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::POCKETMINE_COMMAND_TIMINGS_ENABLE));
 
 			return true;
 		}elseif($mode === "off"){
 			TimingsHandler::setEnabled(false);
-			Command::broadcastCommandMessage($sender, new TranslationContainer("pocketmine.command.timings.disable"));
+			Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::POCKETMINE_COMMAND_TIMINGS_DISABLE));
 			return true;
 		}
 
 		if(!TimingsHandler::isEnabled()){
-			$sender->sendMessage(new TranslationContainer("pocketmine.command.timings.timingsDisabled"));
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::POCKETMINE_COMMAND_TIMINGS_TIMINGSDISABLED));
 
 			return true;
 		}
@@ -101,7 +102,7 @@ class TimingsCommand extends VanillaCommand{
 
 		if($mode === "reset"){
 			TimingsHandler::reload();
-			Command::broadcastCommandMessage($sender, new TranslationContainer("pocketmine.command.timings.reset"));
+			Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::POCKETMINE_COMMAND_TIMINGS_RESET));
 		}elseif($mode === "merged" or $mode === "report" or $paste){
 			$timings = "";
 			if($paste){
@@ -163,16 +164,16 @@ class TimingsCommand extends VanillaCommand{
 						}
 						$response = json_decode($result->getBody(), true);
 						if(is_array($response) && isset($response["id"])){
-							Command::broadcastCommandMessage($sender, new TranslationContainer("pocketmine.command.timings.timingsRead",
+							Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::POCKETMINE_COMMAND_TIMINGS_TIMINGSREAD,
 								["https://" . $host . "/?id=" . $response["id"]]));
 						}else{
-							Command::broadcastCommandMessage($sender, new TranslationContainer("pocketmine.command.timings.pasteError"));
+							Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::POCKETMINE_COMMAND_TIMINGS_PASTEERROR));
 						}
 					}
 				));
 			}else{
 				fclose($fileTimings);
-				Command::broadcastCommandMessage($sender, new TranslationContainer("pocketmine.command.timings.timingsWrite", [$timings]));
+				Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::POCKETMINE_COMMAND_TIMINGS_TIMINGSWRITE, [$timings]));
 			}
 		}else{
 			throw new InvalidCommandSyntaxException();

src/command/defaults/TitleCommand.php

@@ -25,6 +25,7 @@ namespace pocketmine\command\defaults;
 
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use function array_slice;
@@ -36,8 +37,8 @@ class TitleCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.title.description",
-			"%commands.title.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_TITLE_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_TITLE_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_TITLE);
 	}
@@ -53,7 +54,7 @@ class TitleCommand extends VanillaCommand{
 
 		$player = $sender->getServer()->getPlayerByPrefix($args[0]);
 		if($player === null){
-			$sender->sendMessage(new TranslationContainer("commands.generic.player.notFound"));
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_GENERIC_PLAYER_NOTFOUND));
 			return true;
 		}
 
@@ -96,7 +97,7 @@ class TitleCommand extends VanillaCommand{
 				throw new InvalidCommandSyntaxException();
 		}
 
-		$sender->sendMessage(new TranslationContainer("commands.title.success"));
+		$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_TITLE_SUCCESS));
 
 		return true;
 	}

src/command/defaults/TransferServerCommand.php

@@ -25,6 +25,7 @@ namespace pocketmine\command\defaults;
 
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
 use function count;
@@ -34,8 +35,8 @@ class TransferServerCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.transferserver.description",
-			"%pocketmine.command.transferserver.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_TRANSFERSERVER_DESCRIPTION,
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_TRANSFERSERVER_USAGE
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_TRANSFERSERVER);
 	}

src/command/defaults/VersionCommand.php

@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\command\defaults;
 
 use pocketmine\command\CommandSender;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\network\mcpe\protocol\ProtocolInfo;
 use pocketmine\permission\DefaultPermissionNames;
@@ -39,8 +40,8 @@ class VersionCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.version.description",
-			"%pocketmine.command.version.usage",
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_VERSION_DESCRIPTION,
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_VERSION_USAGE,
 			["ver", "about"]
 		);
 		$this->setPermission(DefaultPermissionNames::COMMAND_VERSION);
@@ -52,7 +53,7 @@ class VersionCommand extends VanillaCommand{
 		}
 
 		if(count($args) === 0){
-			$sender->sendMessage(new TranslationContainer("pocketmine.server.info.extended", [
+			$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::POCKETMINE_SERVER_INFO_EXTENDED, [
 				$sender->getServer()->getName(),
 				$sender->getServer()->getPocketMineVersion(),
 				$sender->getServer()->getVersion(),
@@ -78,7 +79,7 @@ class VersionCommand extends VanillaCommand{
 			}
 
 			if(!$found){
-				$sender->sendMessage(new TranslationContainer("pocketmine.command.version.noSuchPlugin"));
+				$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::POCKETMINE_COMMAND_VERSION_NOSUCHPLUGIN));
 			}
 		}
 

src/command/defaults/WhitelistCommand.php

@@ -26,6 +26,7 @@ namespace pocketmine\command\defaults;
 use pocketmine\command\Command;
 use pocketmine\command\CommandSender;
 use pocketmine\command\utils\InvalidCommandSyntaxException;
+use pocketmine\lang\KnownTranslationKeys;
 use pocketmine\lang\TranslationContainer;
 use pocketmine\permission\DefaultPermissionNames;
 use pocketmine\player\Player;
@@ -42,8 +43,8 @@ class WhitelistCommand extends VanillaCommand{
 	public function __construct(string $name){
 		parent::__construct(
 			$name,
-			"%pocketmine.command.whitelist.description",
-			"%commands.whitelist.usage"
+			"%" . KnownTranslationKeys::POCKETMINE_COMMAND_WHITELIST_DESCRIPTION,
+			"%" . KnownTranslationKeys::COMMANDS_WHITELIST_USAGE
 		);
 		$this->setPermission(implode(";", [
 			DefaultPermissionNames::COMMAND_WHITELIST_RELOAD,
@@ -67,17 +68,17 @@ class WhitelistCommand extends VanillaCommand{
 			switch(strtolower($args[0])){
 				case "reload":
 					$sender->getServer()->getWhitelisted()->reload();
-					Command::broadcastCommandMessage($sender, new TranslationContainer("commands.whitelist.reloaded"));
+					Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_WHITELIST_RELOADED));
 
 					return true;
 				case "on":
 					$sender->getServer()->getConfigGroup()->setConfigBool("white-list", true);
-					Command::broadcastCommandMessage($sender, new TranslationContainer("commands.whitelist.enabled"));
+					Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_WHITELIST_ENABLED));
 
 					return true;
 				case "off":
 					$sender->getServer()->getConfigGroup()->setConfigBool("white-list", false);
-					Command::broadcastCommandMessage($sender, new TranslationContainer("commands.whitelist.disabled"));
+					Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_WHITELIST_DISABLED));
 
 					return true;
 				case "list":
@@ -86,17 +87,17 @@ class WhitelistCommand extends VanillaCommand{
 					$result = implode(", ", $entries);
 					$count = count($entries);
 
-					$sender->sendMessage(new TranslationContainer("commands.whitelist.list", [$count, $count]));
+					$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_WHITELIST_LIST, [$count, $count]));
 					$sender->sendMessage($result);
 
 					return true;
 
 				case "add":
-					$sender->sendMessage(new TranslationContainer("commands.generic.usage", ["%commands.whitelist.add.usage"]));
+					$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_GENERIC_USAGE, ["%" . KnownTranslationKeys::COMMANDS_WHITELIST_ADD_USAGE]));
 					return true;
 
 				case "remove":
-					$sender->sendMessage(new TranslationContainer("commands.generic.usage", ["%commands.whitelist.remove.usage"]));
+					$sender->sendMessage(new TranslationContainer(KnownTranslationKeys::COMMANDS_GENERIC_USAGE, ["%" . KnownTranslationKeys::COMMANDS_WHITELIST_REMOVE_USAGE]));
 					return true;
 			}
 		}elseif(count($args) === 2){
@@ -109,12 +110,12 @@ class WhitelistCommand extends VanillaCommand{
 			switch(strtolower($args[0])){
 				case "add":
 					$sender->getServer()->addWhitelist($args[1]);
-					Command::broadcastCommandMessage($sender, new TranslationContainer("commands.whitelist.add.success", [$args[1]]));
+					Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_WHITELIST_ADD_SUCCESS, [$args[1]]));
 
 					return true;
 				case "remove":
 					$sender->getServer()->removeWhitelist($args[1]);
-					Command::broadcastCommandMessage($sender, new TranslationContainer("commands.whitelist.remove.success", [$args[1]]));
+					Command::broadcastCommandMessage($sender, new TranslationContainer(KnownTranslationKeys::COMMANDS_WHITELIST_REMOVE_SUCCESS, [$args[1]]));
 
 					return true;
 			}
@@ -136,7 +137,7 @@ class WhitelistCommand extends VanillaCommand{
 			throw new AssumptionFailedError("Unknown subcommand $subcommand");
 		}
 		if(!$sender->hasPermission($permission)){
-			$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%commands.generic.permission"));
+			$sender->sendMessage($sender->getLanguage()->translateString(TextFormat::RED . "%" . KnownTranslationKeys::COMMANDS_GENERIC_PERMISSION));
 
 			return true;
 		}