public static Builder newBuilder() {
    return new Builder();
  }
This collector accepts Scribe logs in a specified category. Each log entry is expected to contain
a single span, which is TBinaryProtocol big-endian, then base64 encoded. These spans are chained
to an {@link SpanConsumer#accept asynchronous span consumer}.
zipkin-collector/scribe/src/main/java/zipkin2/collector/scribe/ScribeCollector.java