Indicates that the span describes a request to some remote service.

Indicates that the span describes consumer receiving a message from a broker.

Indicates that the span represents an internal operation within an application, as opposed to an operations happening at the boundaries.

Indicates that the span describes a producer sending a message to a broker.

Indicates that the span covers server-side handling of an RPC or other remote network request.

Unspecified.

A collection of Spans produced by an InstrumentationLibrary.

A collection of InstrumentationLibrarySpans from a Resource.

Span represents a single operation within a trace.

Event is a time-stamped annotation of the span, consisting of user-supplied text description and key-value pairs.

A pointer from the current span to another span in the same trace or in a different trace.

The Status type defines a logical error model that is suitable for different programming environments, including REST APIs and RPC APIs.

SpanKind is the type of span.

StatusCode mirrors the codes defined at https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/api-tracing.md#statuscanonicalcode.