@java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      hash = (37 * hash) + AUTH_METHOD_FIELD_NUMBER;
      hash = (53 * hash) + authMethod_;
      hash = (37 * hash) + REQUEST_MODEL_FIELD_NUMBER;
      hash = (53 * hash) + requestModel_;
      hash = (37 * hash) + PROTOCOL_FIELD_NUMBER;
      hash = (53 * hash) + protocol_;
      hash = (37 * hash) + LIST_API_FIELD_NUMBER;
      hash = (53 * hash) + listApi_;
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }
<pre>
The Listing API to use for discovering objects. When not specified,
Transfer Service will attempt to determine the right API to use.
</pre>

<code>.google.storagetransfer.v1.S3CompatibleMetadata.ListApi list_api = 4;</code>

@return The listApi.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java