public Builder setFlags(int value) {

      flags_ = value;
      bitField0_ |= 0x00000020;
      onChanged();
      return this;
    }
<pre>
Immutable. Packet flag set. SDK will set the flag automatically.
</pre>

<code>int32 flags = 6 [(.google.api.field_behavior) = IMMUTABLE];</code>

@param value The flags to set.
@return This builder for chaining.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/PacketHeader.java