@java.lang.Override
  public int hashCode() {
    if (memoizedHashCode != 0) {
      return memoizedHashCode;
    }
    int hash = 41;
    hash = (19 * hash) + getDescriptor().hashCode();
    hash = (37 * hash) + PLATFORM_FIELD_NUMBER;
    hash = (53 * hash) + platform_;
    if (getRegionCodesCount() > 0) {
      hash = (37 * hash) + REGION_CODES_FIELD_NUMBER;
      hash = (53 * hash) + getRegionCodesList().hashCode();
    }
    hash = (29 * hash) + getUnknownFields().hashCode();
    memoizedHashCode = hash;
    return hash;
  }
<pre>
CLDR region code of the countries/regions the URI poses a threat ordered
from most impact to least impact. Example: "US" for United States.
</pre>

<code>repeated string region_codes = 2;</code>

@param index The index of the value to return.
@return The bytes of the regionCodes at the given index.
java-webrisk/proto-google-cloud-webrisk-v1/src/main/java/com/google/webrisk/v1/ThreatDiscovery.java