trace._usage_target_of
(internal) A span as a target for `_record_usage`, like `_usage_target`: the span an HTTP request ran in, so the tokens its reply reports belong to that request. 0 for a span of another runtime.
Reference version
Signature
(internal) A span as a target for _record_usage, like _usage_target:
the span an HTTP request ran in, so the tokens its reply reports belong
to that request. 0 for a span of another runtime.
Source:<builtin>/trace/trace.bamlbytes 5221–5303