Broken TypeScript command (from lack of knowledge of TS)

import {Subcommand} from '@sapphire/plugin-subcommands';
import {Args} from "@sapphire/framework";
import {Message} from "discord.js";

export class AccountCommand extends Subcommand {
    public constructor(context: Subcommand.Context, options: Subcommand.Options) {
        super(context, {
            ...options,
            name: 'account',
            aliases: ['acc', 'link', 'verify'],
            description: 'Link to your Discord Account',
            subcommands: [
                {
                    name: 'link',
                    messageRun: 'messageLink',
                    chatInputRun: 'chatInputLink',
                    default: true
                },
                {
                    name: 'list',
                    messageRun: 'messageList',
                    chatInputRun: 'chatInputList'
                },
                {
                    name: 'unlink',
                    messageRun: 'messageUnlink',
                    chatInputRun: 'chatInputUnlink',
                }
            ]
        });
    }

    registerApplicationCommands(registry: Subcommand.Registry) {
        registry.registerChatInputCommand((builder) =>
            builder
                .setName(this.name)
                .setDescription(this.description)
                .addSubcommand((command) =>
                    command
                        .setName('link')
                        .setDescription('Link your Discord Account')
                        .addStringOption((option) =>
                            option.setName('summoner').setDescription('Summoner Name').setRequired(true)
                        )
                )
                .addSubcommand((command) =>
                    command
                        .setName('list')
                        .setDescription('View summoner names linked to your Discord Account')
                )
                .addSubcommand((command) =>
                    command
                        .setName('unlink')
                        .setDescription('Unlink a summoner name from your Discord Account')
                        .addStringOption((option) =>
                            option.setName('summoner').setDescription('Summoner Name').setRequired(true)
                        )
                )
        );
    }

    /** START Link Subcommand **/
    public async messageLink(message: Message, args: Args) {
        return message.channel.send('Account Link')
    }

    public async chatInputLink(interaction: Subcommand.ChatInputCommandInteraction) {
        return interaction.reply('Account Link Interaction');
    }
    /** END link Subcommand **/

    /** START List Subcommand **/
    public async messageList(message: Message, args: Args) {
        return message.channel.send('Account List')
    }

    public async chatInputList(interaction: Subcommand.ChatInputCommandInteraction) {
        return interaction.reply('Account List Interaction');
    }
    /** END List Subcommand **/

    /** START Unlink Subcommand **/
    public async messageUnlink(message: Message, args: Args) {
        return message.channel.send('Account Unlink')
    }

    public async chatInputUnlink(interaction: Subcommand.ChatInputCommandInteraction) {
        return interaction.reply('Account Unlink Interaction');
    }
    /** END Unlink Subcommand **/
}