method Command.prototype.parseEnvVarsimport { Command } from "https://dotland.deno.dev/x/cliffy@v0.25.1/command/mod.ts"; parseEnvVars(envVars: Array<IEnvVar>, validate?): Promise<Record<string, unknown>>Read and validate environment variables. ParametersenvVars: Array<IEnvVar>env vars defined by the command optionalvalidate = [UNSUPPORTED]when true, throws an error if a required env var is missing ReturnsPromise<Record<string, unknown>>