interface BackgroundTypeChatThemeimport { type BackgroundTypeChatTheme } from "https://dotland.deno.dev/x/grammy@v1.27.0/types.ts"; The background is taken directly from a built-in chat theme. Propertiestype: "chat_theme"Type of the background, always “chat_theme” theme_name: stringName of the chat theme, which is usually an emoji