public Builder setListApiValue(int value) {
        listApi_ = value;
        bitField0_ |= 0x00000008;
        onChanged();
        return this;
      }
<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>

@param value The enum numeric value on the wire for listApi to set.
@return This builder for chaining.
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java