@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(parent_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, parent_);
    }
    if (sourceCase_ == 2) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, source_);
    }
    getUnknownFields().writeTo(output);
  }
<pre>
Required. The parent corpus resource where the assets will be imported.
Format:
`projects/{project_number}/locations/{location_id}/corpora/{corpus_id}`
</pre>

<code>
string parent = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
</code>

@return The bytes for parent.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ImportAssetsRequest.java