logger

type Logger interface {
	// Debugf logs events labeled with DEBUG severity.
	Debugf(format string, args ...interface{})

	// Infof logs events labeled with INFO severity.
	Infof(format string, args ...interface{})

	// Info logs events labeled with INFO severity.
	Info(format string)

	// Warningf logs events labeled with WARNING severity.
	Warningf(format string, args ...interface{})

	// Errorf logs events labeled with ERROR severity.
	Errorf(format string, args ...interface{})

	// Fatalf logs the message and internally will call os.Exit(1).  This log
	// level cannot be overridden by configuration changes.
	//
	// Any implementation of this interface MUST call os.Exit(1) internally.
	Fatalf(format string, args ...interface{})

	// Panicf logs the message and internally will call panic() using the
	// message as an argument.  This log level cannot be overridden by
	// configuration changes.
	//
	// Any implementation of this interface MUST call panic() internally.
	Panicf(format string, args ...interface{})
}

type StandardGolangLogger struct {
	VerbosityLevel Verbosity
}

type Verbosity int