public Builder setChecksum(com.google.webrisk.v1.ComputeThreatListDiffResponse.Checksum value) {
      if (checksumBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        checksum_ = value;
      } else {
        checksumBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000010;
      onChanged();
      return this;
    }
<pre>
The expected SHA256 hash of the client state; that is, of the sorted list
of all hashes present in the database after applying the provided diff.
If the client state doesn't match the expected state, the client must
discard this diff and retry later.
</pre>

<code>.google.cloud.webrisk.v1.ComputeThreatListDiffResponse.Checksum checksum = 8;</code>
java-webrisk/proto-google-cloud-webrisk-v1/src/main/java/com/google/webrisk/v1/ComputeThreatListDiffResponse.java