public static Builder newBuilder() {
    return DEFAULT_INSTANCE.toBuilder();
  }
<pre>
Strongly recommended for the best service experience.

If [update_mask][google.cloud.talent.v4beta1.UpdateJobRequest.update_mask]
is provided, only the specified fields in
[job][google.cloud.talent.v4beta1.UpdateJobRequest.job] are updated.
Otherwise all the fields are updated.

A field mask to restrict the fields that are updated. Only
top level fields of [Job][google.cloud.talent.v4beta1.Job] are supported.
</pre>

<code>.google.protobuf.FieldMask update_mask = 2;</code>
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/UpdateJobRequest.java