class MissingEnvVarsError extends Errorimport { MissingEnvVarsError } from "https://dotland.deno.dev/std@0.224.0/dotenv/mod.ts"; Error thrown in {@link load} and {@link loadSync} when required environment variables are missing. ConstructorsnewMissingEnvVarsError(message: string, missing: string[])Constructs a new instance. Propertiesmissing: string[]The keys of the missing environment variables.