public Builder mergeFrom(com.google.devtools.cloudtrace.v1.TraceSpan other) { if (other == com.google.devtools.cloudtrace.v1.TraceSpan.getDefaultInstance()) return this; if (other.getSpanId() != 0L) { setSpanId(other.getSpanId()); } if (other.kind_ != 0) { setKindValue(other.getKindValue()); } if (!other.getName().isEmpty()) { name_ = other.name_; onChanged(); } if (other.hasStartTime()) { mergeStartTime(other.getStartTime()); } if (other.hasEndTime()) { mergeEndTime(other.getEndTime()); } if (other.getParentSpanId() != 0L) { setParentSpanId(other.getParentSpanId()); } internalGetMutableLabels().mergeFrom(other.internalGetLabels()); this.mergeUnknownFields(other.unknownFields); onChanged(); return this; }