class AbstractOAuth2TokenService implements OAuth2TokenService, Cacheable {

	@Override
	public Object getCacheStatistics() {
		return getCacheConfiguration().isCacheStatisticsEnabled() ? responseCache.stats() : null;
	}

	public  AbstractOAuth2TokenService();
	public  AbstractOAuth2TokenService(TokenCacheConfiguration tokenCacheConfiguration);
	  AbstractOAuth2TokenService(TokenCacheConfiguration tokenCacheConfiguration, Ticker cacheTicker,
			boolean sameThreadCache);

}