logger

type LogLine struct {
	Timestamp      time.Time      `json:"ts"`
	Priority       level.Priority `json:"priority,omitempty"`
	PriorityString string         `json:"priority_string,omitempty"`
	Data           interface{}    `json:"data"`
}

type Logger interface {
	AddMetadata(context.Context, options.AddMetadata) error
	Write(context.Context, options.Write) error
	WriteBytes(context.Context, options.WriteBytes) error
	FollowFile(context.Context, options.FollowFile) error
	NewReadCloser(context.Context, options.Read) (ReadCloser, error)
	NewReverseReadCloser(context.Context, options.Read) (ReadCloser, error)
}

type ReadCloser interface {
	ReadPage() ([]byte, error)
	io.ReadCloser
}