otlpmetric

type Client interface {
	// UploadMetrics transmits metric data to an OTLP receiver.
	//
	// All retry logic must be handled by UploadMetrics alone, the Exporter
	// does not implement any retry logic. All returned errors are considered
	// unrecoverable.
	UploadMetrics(context.Context, *mpb.ResourceMetrics) error

	// ForceFlush flushes any metric data held by an Client.
	//
	// The deadline or cancellation of the passed context must be honored. An
	// appropriate error should be returned in these situations.
	ForceFlush(context.Context) error

	// Shutdown flushes all metric data held by a Client and closes any
	// connections it holds open.
	//
	// The deadline or cancellation of the passed context must be honored. An
	// appropriate error should be returned in these situations.
	//
	// Shutdown will only be called once by the Exporter. Once a return value
	// is received by the Exporter from Shutdown the Client will not be used
	// anymore. Therefore all computational resources need to be released
	// after this is called so the Client can be garbage collected.
	Shutdown(context.Context) error
}