method Command.prototype.getEnvVarRe-exportimport { Command } from "https://deno.land/x/habitra@v0.3.0/deps.ts"; getEnvVar(name: string, hidden?: boolean): IEnvVar | undefinedGet environment variable by name. Parametersname: stringName of the environment variable. optionalhidden: booleanInclude hidden environment variable. ReturnsIEnvVar | undefined