uconfig

type Config interface {
	// Parse will call the parse method of all the added pluginss in the order
	// that the pluginss were registered, it will return early as soon as any
	// plugins fails.
	// You must call this before using the config value.
	Parse() error

	// Usage provides a simple usage message based on the meta data registered
	// by the pluginss.
	Usage()

	// FormattedUsage provides the config used in a desired format: env, yaml or json
	FormattedUsage(format string)
}

type Files = file.Files