client.on('guildMemberUpdate', (oldMember, newMember) => {
  debug("UserUpdate event fired");
  const oldUsername = oldMember.user.username;
  const newUsername = newMember.user.username;

  // Check if the username has changed
  if (oldUsername !== newUsername) {
    // Username has been changed
    debug(`User '${oldUsername}' changed their username to '${newUsername}'`);

    // You can perform any actions or emit events here based on the username change
    eventEmitter.emit('usernameChange', oldUsername);
  }
});

client.on('guildMemberUpdate', (oldMember, newMember) => {
  debug("UserUpdate event fired");
  const oldUsername = oldMember.user.username;
  const newUsername = newMember.user.username;

  // Check if the username has changed
  if (oldUsername !== newUsername) {
    // Username has been changed
    debug(`User '${oldUsername}' changed their username to '${newUsername}'`);

    // You can perform any actions or emit events here based on the username change
    eventEmitter.emit('usernameChange', oldUsername);
  }
});