using System.Threading; using System.Threading.Tasks; using CliFx.Attributes; using CliFx.Services; namespace CliFx.Tests.TestCommands { [Command(Description = "Reads option values from environment variables.")] public class EnvironmentVariableCommand : ICommand { [CommandOption("opt", EnvironmentVariableName = "ENV_SINGLE_VALUE")] public string Option { get; set; } public Task ExecuteAsync(IConsole console) => Task.CompletedTask; } }