public com.google.cloud.visionai.v1.DataSchema.Builder getDataSchemaBuilder() {
      bitField0_ |= 0x00000001;
      onChanged();
      return getDataSchemaFieldBuilder().getBuilder();
    }
<pre>
Required. The data schema's `name` field is used to identify the data
schema to be updated. Format:
`projects/{project_number}/locations/{location}/corpora/{corpus}/dataSchemas/{data_schema}`
</pre>

<code>
.google.cloud.visionai.v1.DataSchema data_schema = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/UpdateDataSchemaRequest.java