eventlog

type DoneCloser interface {
	// Done ends the event
	Done()
	// io.Closer is a convenience-alias for Done
	io.Closer
}

type EventLogger interface {
	prelog.StandardLogger

	// Prefix is like PrefixLogger.Prefix. We override it here
	// because the type changes (we return EventLogger).
	// It's what happens when you wrap interfaces.
	Prefix(fmt string, args ...interface{}) EventLogger

	// Event merges structured data from the provided inputs into a single
	// machine-readable log event.
	//
	// If the context contains metadata, a copy of this is used as the base
	// metadata accumulator.
	//
	// If one or more loggable objects are provided, these are deep-merged into base blob.
	//
	// Next, the event name is added to the blob under the key "event". If
	// the key "event" already exists, it will be over-written.
	//
	// Finally the timestamp and package name are added to the accumulator and
	// the metadata is logged.
	Event(ctx context.Context, event string, m ...Loggable)

	EventBegin(ctx context.Context, event string, m ...Loggable) DoneCloser
}

type LogRotatorConfig struct {
	Filename   string
	MaxSizeMB  uint64
	MaxBackups uint64
	MaxAgeDays uint64
}

type Loggable interface {
	Loggable() map[string]interface{}
}

type LoggableMap map[string]interface{}

type Metadata map[string]interface{}

type Option func()

type PoliteJSONFormatter struct{}