method Command.prototype.parseEnvVarsRe-exportimport { Command } from "https://deno.land/x/lume@v1.16.0/deps/cliffy.ts"; parseEnvVars(ctx: ParseContext,envVars: Array<EnvVar>,validate?,): Promise<void>Read and validate environment variables. Parametersctx: ParseContextParse context. envVars: Array<EnvVar>env vars defined by the command. optionalvalidate = [UNSUPPORTED]when true, throws an error if a required env var is missing. ReturnsPromise<void>