public boolean hasSeriesMetadata() {
      return ((bitField0_ & 0x00000010) != 0);
    }
<pre>
Input only. Immutable. Metadata that the server needs to know where to
write the packets to. It's only required for the first packet.
</pre>

<code>
.google.cloud.visionai.v1.SeriesMetadata series_metadata = 5 [(.google.api.field_behavior) = INPUT_ONLY, (.google.api.field_behavior) = IMMUTABLE];
</code>

@return Whether the seriesMetadata field is set.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/PacketHeader.java