tracing

type Config struct {
	Exporter Exporter
	// ServiceName is attached to exported spans. Defaults to "unknown_service".
	ServiceName string
	// CloudTraceProject is required when Exporter is ExporterCloudTrace.
	CloudTraceProject string
	// StdoutWriter defaults to os.Stderr when Exporter is ExporterStdout.
	StdoutWriter io.Writer
	// PrettyStdout enables human-readable stdout output.
	PrettyStdout bool
	// OTLPEndpoint is required when Exporter is ExporterOTLP (for example localhost:4317).
	OTLPEndpoint string
	// OTLPInsecure disables TLS for OTLP/gRPC (typical for local collectors).
	OTLPInsecure bool
}

type Exporter string