ExtractSpan retrieves an OpenTelemetry span context from the given context.Context The span context can be received directly (inside the context) or via an RPC call (encoded in a carrier).

FinishSpan finishes a span retrieved from the given context and logs the error if it exists.

InjectSpan retrieves an OpenTelemetry span from the current context and creates a new context with it encoded in text map format inside the propagatable context content.

StartSpan starts a new span with a given parent context, operation name, and attributes.