method command.Command.prototype.hasEnvVarRe-exportimport { command } from "https://deno.land/x/feomasto@v1.0.1/priv/deps.ts"; const { Command } = command; hasEnvVar(name: string, hidden?: boolean): booleanChecks whether the command has an environment variable with given name or not. Parametersname: stringName of the environment variable. optionalhidden: booleanInclude hidden environment variable. Returnsboolean