NewSet creates an initialized and empty Set.

ProtectEnv protects a collection of environment variables.

ReplaceArgs replaces the current command line arguments (os.Args) with a new collection of values.

ReplaceConsole replaces the console files (os.Stderr, os.Stdin, os.Stdout).

ReplaceWorkingDirectory replaces the current working directory (os.Getwd()) with a new value.

WriteTomlFile writes a file with a TOML representation of the given value.

Console represents the standard console objects, stdin, stdout, and stderr.

Set represents the mathematical type set.