log

type LogField struct {
	Key   string
	Value any
}

type LogLevel int8

type Logger interface {
	// Fatal logs a message at FatalLevel, then calls os.Exit(1). This should only be use with extra care, ideally Fatal
	// should only be used in main where the apps encountered an error and have noway to continue.
	// optfields is optional, when supplied it will be added as new field using
	// Key as field name, and Value as it's value.
	Fatal(msg string, err error, optfields ...LogField)
	// Error logs a message at ErrorLevel, put the passed error in "error" field.
	// optfields is optional, when supplied it will be added as new field using
	// Key as field name, and Value as it's value.
	Error(msg string, err error, optfields ...LogField)
	// Warn logs a message at WarnLevel.
	// optfields is optional, when supplied it will be added as new field using
	// Key as field name, and Value as it's value.
	Warn(msg string, optfields ...LogField)
	// Info logs a message at InfoLevel.
	// optfields is optional, when supplied it will be added as new field using
	// Key as field name, and Value as it's value.
	Info(msg string, optfields ...LogField)
	// Debug logs a message at DebugLevel.
	// optfields is optional, when supplied it will be added as new field using
	// Key as field name, and Value as it's value.
	Debug(msg string, optfields ...LogField)
	// WithContext return Logger instance that will use passed context to log additional info,
	// such as opentelemetry's SpanID and TraceID if applicable.
	WithContext(ctx context.Context) Logger
}

type NoOpLogger struct{}

type SimpleLogger struct {
	// contains filtered or unexported fields
}

type WriterFunc func(msg string, optfields ...LogField)