@java.lang.Override
  public java.lang.String getParent() {
    java.lang.Object ref = parent_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      parent_ = s;
      return s;
    }
  }
<pre>
Optional. Target project and location to make a call.

Format: `projects/{project-id}/locations/{location-id}`.

If no parent is specified, a region will be chosen automatically.

Supported location-ids:
    `us`: USA country only,
    `asia`: East asia areas, like Japan, Taiwan,
    `eu`: The European Union.

Example: `projects/project-A/locations/eu`.
</pre>

<code>string parent = 4;</code>

@return The parent.
java-vision/proto-google-cloud-vision-v1/src/main/java/com/google/cloud/vision/v1/AsyncBatchAnnotateImagesRequest.java