in geronimo-opentracing-common/src/main/java/org/apache/geronimo/microprofile/opentracing/common/impl/SpanImpl.java [49:57]
public SpanImpl(final String operationName, final long startTimestamp, final Collection<ReferenceImpl> references,
final Map<String, Object> tags, final Consumer<SpanImpl> onFinish, final SpanContextImpl context) {
this.operationName = operationName;
this.startTimestamp = startTimestamp;
this.references = references;
this.tags = tags;
this.context = context;
this.onFinish = onFinish;
}