scala 3 macro: get class properties

Question

i want to writing a macro to get property names of a class. but can not use Symbol module in quoted statement. i receive blow error...

inline def getProps(inline className: String): Iterable[String] = ${ getPropsImpl('className) }
private def getPropsImpl(className: Expr[String])(using Quotes): Expr[Iterable[String]] = {
  import quotes.reflect.*

  val props = '{
    Symbol.classSymbol($className).fieldMembers.map(_.name) // error access to parameter x$2 from 
  }                                                            wrong staging level:
  props                                                        - the definition is at level 0,
}                                                              - but the access is at level 1.