class ElasticAPM::OpenTracing::SpanContext

def self.from_trace_context(trace_context)

def self.from_trace_context(trace_context)
  new(
    trace_id: trace_context.trace_id,
    id: trace_context.span_id
  ).tap do |span_context|
    span_context.trace_context = trace_context
  end
end