Interface Answer.CitationSourceOrBuilder (0.3.0)

public static interface Answer.CitationSourceOrBuilder extends MessageOrBuilder

Implements

public abstract int getReferenceIndex()

Output only. Contains the index of the Answer.AnswerReference in the references repeated field.

int32 reference_index = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
`int`	The referenceIndex.

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2026-08-06 UTC.