package com.github.steveice10.mc.protocol;

public class MinecraftConstants {
    // General Constants
    public static final String GAME_VERSION = "1.13.2";
    public static final int PROTOCOL_VERSION = 404;

    // General Key Constants
    public static final String PROFILE_KEY = "profile";
    public static final String AUTH_PROXY_KEY = "auth-proxy";

    // Client Key Constants
    public static final String ACCESS_TOKEN_KEY = "access-token";
    public static final String SERVER_INFO_HANDLER_KEY = "server-info-handler";
    public static final String SERVER_PING_TIME_HANDLER_KEY = "server-ping-time-handler";

    // Server Key Constants
    public static final String VERIFY_USERS_KEY = "verify-users";
    public static final String SERVER_INFO_BUILDER_KEY = "info-builder";
    public static final String SERVER_LOGIN_HANDLER_KEY = "login-handler";
    public static final String PING_KEY = "ping";
    public static final String SERVER_COMPRESSION_THRESHOLD = "compression-threshold";
}

package com.github.steveice10.mc.protocol;

public class MinecraftConstants {
    // General Constants
    public static final String GAME_VERSION = "1.14";
    public static final int PROTOCOL_VERSION = 477;

    // General Key Constants
    public static final String PROFILE_KEY = "profile";
    public static final String AUTH_PROXY_KEY = "auth-proxy";

    // Client Key Constants
    public static final String ACCESS_TOKEN_KEY = "access-token";
    public static final String SERVER_INFO_HANDLER_KEY = "server-info-handler";
    public static final String SERVER_PING_TIME_HANDLER_KEY = "server-ping-time-handler";

    // Server Key Constants
    public static final String VERIFY_USERS_KEY = "verify-users";
    public static final String SERVER_INFO_BUILDER_KEY = "info-builder";
    public static final String SERVER_LOGIN_HANDLER_KEY = "login-handler";
    public static final String PING_KEY = "ping";
    public static final String SERVER_COMPRESSION_THRESHOLD = "compression-threshold";
}

Update MinecraftConstants