interface IEnvVariableimport { type IEnvVariable } from "https://dotland.deno.dev/x/cliffy@v0.1.0/mod.ts"; Environment variable setting's. Propertiesnames: string[]description: stringtype: OptionTypeimport IEnvVariableimport { IEnvVariable } from "https://dotland.deno.dev/x/cliffy@v0.1.0/mod.ts";