public boolean hasAttributes() {
      return ((bitField0_ & 0x00000040) != 0);
    }
<pre>
A set of attributes on the span. You can have up to 32 attributes per
span.
</pre>

<code>.google.devtools.cloudtrace.v2.Span.Attributes attributes = 7;</code>

@return Whether the attributes field is set.
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/Span.java