@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + HISTOGRAM_QUERY_FIELD_NUMBER;
    hash = (53 * hash) + getHistogramQuery().hashCode();
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
An expression specifies a histogram request against matching jobs for
searches.

See
[SearchJobsRequest.histogram_queries][google.cloud.talent.v4.SearchJobsRequest.histogram_queries]
for details about syntax.
</pre>

<code>string histogram_query = 1;</code>

@return The bytes for histogramQuery.
java-talent/proto-google-cloud-talent-v4/src/main/java/com/google/cloud/talent/v4/HistogramQuery.java