private function readDocBlockCallees($class, ReflectionMethod $method, $docBlock)
    {
        $callees = array();
        $description = $this->readDescription($docBlock);
        $docBlock = $this->mergeMultilines($docBlock);

        foreach (explode("\n", $docBlock) as $docLine) {
            $docLine = preg_replace(self::DOCLINE_TRIMMER_REGEX, '', $docLine);

            if ($this->isEmpty($docLine)) {
                continue;
            }

            if ($this->isNotAnnotation($docLine)) {
                continue;
            }

            if ($callee = $this->readDocLineCallee($class, $method, $docLine, $description)) {
                $callees[] = $callee;
            }
        }

        return $callees;
    }