@java.lang.Override
  public boolean hasUpdateMask() {
    return ((bitField0_ & 0x00000002) != 0);
  }
<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 [(.google.api.field_behavior) = REQUIRED];
</code>

@return Whether the updateMask field is set.
java-websecurityscanner/proto-google-cloud-websecurityscanner-v1alpha/src/main/java/com/google/cloud/websecurityscanner/v1alpha/UpdateScanConfigRequest.java