interface LinkUnfurlsimport { type LinkUnfurls } from "https://dotland.deno.dev/x/slack_web_api_client@0.13.1/mod.ts"; Index Signatures[linkUrl: string]: MessageAttachment[linkUrl: string]: MessageAttachment[linkUrl: string]: MessageAttachment[linkUrl: string]: MessageAttachmentimport LinkUnfurlsimport { LinkUnfurls } from "https://dotland.deno.dev/x/slack_web_api_client@0.13.1/mod.ts";