public function apply($testable, array $config = array()) {
		$tokens = $testable->tokens();
		$lines = $testable->lines();
		$typeCache = $testable->typeCache();
		$matches = array();
		if (!isset($typeCache[T_USE])) {
			return;
		}
		foreach ($typeCache[T_USE] as $tokenId) {
			$token = $tokens[$tokenId];
			$line = $lines[$token['line'] - 1];
			if (preg_match('/^use (?:([^ ]+ as )|(.*\\\))?(.*);$/i', $line, $matches) === 1) {
				$count = 0;
				if (in_array($matches[3], $this->_ignored)) {
					continue;
				}
				foreach ($typeCache[T_STRING] as $stringId) {
					if (strcasecmp($tokens[$stringId]['content'], $matches[3]) === 0) {
						$count++;
					}
					if ($count === 2) {
						break;
					}
				}
				if ($count < 2) {
					$this->addViolation(array(
						'message' => 'Class ' . $matches[3] . ' was never called',
						'line' => $token['line'],
					));
				}
			}
		}
	}