opentelemetry-api
https://pypi.org/project/opentelemetry-api/
https://github.com/open-telemetry/opentelemetry-python/tree/main/opentelemetry-api
https://opentelemetry-python.readthedocs.io/en/latest/api/index.html
use_span()
https://opentelemetry-python.readthedocs.io/en/latest/api/trace.html#opentelemetry.trace.use_span
Takes a non-active span and activates it in the current context.