public Builder setEtag(java.lang.String value) {
      if (value == null) {
        throw new NullPointerException();
      }
      etag_ = value;
      bitField0_ |= 0x00000100;
      onChanged();
      return this;
    }
<pre>
Checksum that may be sent on update and delete requests to ensure that the
user-provided value is up to date before the server processes a request.
The server computes checksums based on the value of other fields in the
request.
</pre>

<code>string etag = 10;</code>

@param value The etag to set.
@return This builder for chaining.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/VmwareEngineNetwork.java