method Command.prototype.getBaseEnvVarimport { Command } from "https://dotland.deno.dev/x/lume@v2.4.2/deps/cliffy.ts"; getBaseEnvVar(name: string, hidden?: boolean): EnvVar | undefinedGet base environment variable by name. Parametersname: stringName of the environment variable. optionalhidden: booleanInclude hidden environment variable. ReturnsEnvVar | undefined