@java.lang.Override
  public com.google.cloud.talent.v4beta1.HistogramQueryResult getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
<pre>
A map from the values of the facet associated with distinct values to the
number of matching entries with corresponding value.

The key format is:

* (for string histogram) string values stored in the field.
* (for named numeric bucket) name specified in `bucket()` function, like
  for `bucket(0, MAX, "non-negative")`, the key will be `non-negative`.
* (for anonymous numeric bucket) range formatted as `&lt;low&gt;-&lt;high&gt;`, for
  example, `0-1000`, `MIN-0`, and `0-MAX`.
</pre>

<code>map&lt;string, int64&gt; histogram = 2;</code>
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/HistogramQueryResult.java