@Override
    public String toString() {
        return "SpanEventAlign{" +
                "spanBo=" + spanBo.getSpanId() +
                ", spanEventBo=" + spanEventBo +
                ", id=" + id +
                ", gap=" + gap +
                ", depth=" + depth +
                ", executionMilliseconds=" + executionMilliseconds +
                '}';
    }
@deprecated Since 3.1.0. Use {@link #getApplicationName()} instead.
web/src/main/java/com/navercorp/pinpoint/web/calltree/span/SpanEventAlign.java