logging

type KeyType string

type Level uint8

type Logger interface {
	// SetLevel sets the logging level for this specific Logger; if present, it overrides the global logging level.
	SetLevel(level Level)
	// GetLevel returns the current logging level for this specific Logger, or nil if no level is set.
	GetLevel() *Level
	// ResetLevel removes the per-logger level from this specific Logger, if present.
	ResetLevel()
	// Trace sends out a debug message with the given arguments to the logger.
	Trace(args ...interface{})
	// Tracef formats a debug message using the given arguments and sends it to the logger.
	Tracef(format string, args ...interface{})
	// Debug sends out a debug message with the given arguments to the logger.
	Debug(args ...interface{})
	// Debugf formats a debug message using the given arguments and sends it to the logger.
	Debugf(format string, args ...interface{})
	// Info sends out an informational message with the given arguments to the logger.
	Info(args ...interface{})
	// Infof formats an informational message using the given arguments and sends it to the logger.
	Infof(format string, args ...interface{})
	// Warn sends out a warning message with the given arguments to the logger.
	Warn(args ...interface{})
	// Warnf formats a warning message using the given arguments and sends it to the logger.
	Warnf(format string, args ...interface{})
	// Error sends out an error message with the given arguments to the logger.
	Error(args ...interface{})
	// Errorf formats an error message using the given arguments and sends it to the logger.
	Errorf(format string, args ...interface{})
}

type NoOpLogger struct{}