Java - 在程序中存储配置的最佳方法

I have an XML file, which contains rules for code analyzer (to search vulnerabilities). So, it has very different rules like parameter, parameter count, any parameter type, const value and etc for method call (to detect specific calls), rules to detect some imports, inheritance and so on. But how to store this inside my program? I found two ways:I have an XML file, which contains rules for co