@java.lang.Override
    public int hashCode() {
      if (memoizedHashCode != 0) {
        return memoizedHashCode;
      }
      int hash = 41;
      hash = (19 * hash) + getDescriptor().hashCode();
      hash = (37 * hash) + RAG_CORPUS_FIELD_NUMBER;
      hash = (53 * hash) + getRagCorpus().hashCode();
      if (getRagFileIdsCount() > 0) {
        hash = (37 * hash) + RAG_FILE_IDS_FIELD_NUMBER;
        hash = (53 * hash) + getRagFileIdsList().hashCode();
      }
      hash = (29 * hash) + getUnknownFields().hashCode();
      memoizedHashCode = hash;
      return hash;
    }
<pre>
Optional. rag_file_id. The files should be in the same rag_corpus set in
rag_corpus field.
</pre>

<code>repeated string rag_file_ids = 2 [(.google.api.field_behavior) = OPTIONAL];</code>

@param index The index of the value to return.
@return The bytes of the ragFileIds at the given index.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/VertexRagStore.java