method CliffyCommand.prototype.getBaseEnvVarimport { CliffyCommand } from "https://dotland.deno.dev/x/nessie@2.0.9/deps.ts"; getBaseEnvVar(name: string, hidden?: boolean): IEnvVar | undefinedGet base environment variable by name. Parametersname: stringName of the environment variable. optionalhidden: booleanInclude hidden environment variable. ReturnsIEnvVar | undefined