* @param locale the {@code Locale} to use for the resource bundle.
*
* @return the interpolated message.
*/
private String interpolateMessage(String message, Context context, Locale locale) {
LocalizedMessage localisedMessage = new LocalizedMessage( message, locale );
String resolvedMessage = null;
if ( cacheMessages ) {
resolvedMessage = resolvedMessages.get( localisedMessage );
}