createSpan
abstract fun createSpan(name: String, initialAttributes: <Error class: unknown class> = emptyAttributes(), spanKind: SpanKind = SpanKind.INTERNAL, parentContext: Context? = null): TraceSpan
Creates a new span and makes it active in the current Context.
Parameters
name
the name of the span
parentContext
the parent context to use for this span, if not set it is implementation defined.