Syntaxerror: Identifier 'Client' has already been declared hatası

const { Client, GatewayIntentBits } = require('discord.js');
const client = new Client({ intents: [GatewayIntentBits.Guilds] });
client.on('messageCreate', message => {
 if (message.content.toLowerCase() === '!avatar') {
 const user = message.mentions.users.first() || message.author;
 const avatarEmbed = {
 color: 0x0099ff,
 title: `${user.tag}'ın Avatarı`,
 image: {
 url: user.displayAvatarURL({ dynamic: true, size: 4096 }),
 },
 };
 message.reply({ embeds: [avatarEmbed] });
 }
});
client.login('');