method CliffyCommand.prototype.findEnvVarimport { CliffyCommand } from "https://dotland.deno.dev/x/nessie@2.0.11/deps.ts"; findEnvVar(names: readonly string[]): Promise<{ name: string; value: string; } | undefined>Parametersnames: readonly string[]ReturnsPromise<{ name: string; value: string; } | undefined>