log

type Component interface {
	// Trace logs the given arguments, separated by spaces, at the trace level
	Trace(v ...interface{})
	// Tracef logs the given formatted arguments at the trace level
	Tracef(format string, params ...interface{})

	// Debug logs the given arguments, separated by spaces, at the debug level
	Debug(v ...interface{})
	// Debugf logs the given formatted arguments at the debug level
	Debugf(format string, params ...interface{})

	// Info logs the given arguments, separated by spaces, at the info level
	Info(v ...interface{})
	// Infof logs the given formatted arguments at the info level
	Infof(format string, params ...interface{})

	// Warn logs the given arguments, separated by spaces, at the warn level,
	// and returns an error containing the messages.
	Warn(v ...interface{}) error
	// Warnf logs the given formatted arguments at the warn level, and returns
	// an error containing the message.
	Warnf(format string, params ...interface{}) error

	// Error logs the given arguments, separated by spaces, at the error level,
	// and returns an error containing the messages.
	Error(v ...interface{}) error
	// Errorf logs the given formatted arguments at the error level, and returns
	// an error containing the message.
	Errorf(format string, params ...interface{}) error

	// Critical logs the given arguments, separated by spaces, at the critical level,
	// an error containing the message.
	Critical(v ...interface{}) error
	// Criticalf logs the given formatted arguments at the critical level, and returns
	// an error containing the message.
	Criticalf(format string, params ...interface{}) error

	// Flush will flush the contents of the logs to the sinks
	Flush()
}