@java.lang.Override
  public com.google.protobuf.FieldMask getUpdateMask() {
    return updateMask_ == null ? com.google.protobuf.FieldMask.getDefaultInstance() : updateMask_;
  }
<pre>
Required. The update mask applies to the resource. For the `FieldMask` definition,
see
https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#fieldmask
</pre>

<code>.google.protobuf.FieldMask update_mask = 3;</code>

@return The updateMask.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1/src/main/java/com/google/cloud/websecurityscanner/v1/UpdateScanConfigRequest.java