trace

type Config struct {
	ExporterConfig `json:"exporterConfig"`

	// If false, use a no-op tracer. All other fields are ignored.
	Enabled bool `json:"enabled"`

	// The fraction of traces to sample.
	// If >= 1 always samples.
	// If <= 0 never samples.
	TraceSampleRate float64 `json:"traceSampleRate"`
}

type ExporterConfig struct {
	Type ExporterType `json:"type"`

	// Endpoint to send metrics to
	Endpoint string `json:"endpoint"`

	// Headers to send with metrics
	Headers map[string]string `json:"headers"`
}

type ExporterType byte

type Tracer interface {
	trace.Tracer
	io.Closer
}