public static function dependencies($classes, array $options = array()) {
		$defaults = array('type' => null);
		$options += $defaults;
		$static = $dynamic = array();
		$trim = function($c) { return trim(trim($c, '\\')); };
		$join = function ($i) { return join('', $i); };

		foreach ((array) $classes as $class) {
			$data = explode("\n", file_get_contents(Libraries::path($class)));
			$data = "<?php \n" . join("\n", preg_grep('/^\s*use /', $data)) . "\n ?>";

			$classes = array_map($join, Parser::find($data, 'use *;', array(
				'return'      => 'content',
				'lineBreaks'  => true,
				'startOfLine' => true,
				'capture'     => array('T_STRING', 'T_NS_SEPARATOR')
			)));

			if ($classes) {
				$static = array_unique(array_merge($static, array_map($trim, $classes)));
			}
			$classes = static::info($class . '::$_classes', array('value'));

			if (isset($classes['value'])) {
				$dynamic = array_merge($dynamic, array_map($trim, array_values($classes['value'])));
			}
		}

		if (empty($options['type'])) {
			return array_unique(array_merge($static, $dynamic));
		}
		$type = $options['type'];
		return isset(${$type}) ? ${$type} : null;
	}