The kernel extension at “/System/Library/Extensions/intelhaxm.kext” is not from an identified developer but will still be loaded. Please contact the kernel extension vendor for updated software.

なぜかC#で Listの変数を宣言し、 List<Action> a = new List<Action>(); とやると、 conflicts with a declaration in a child blockのエラーが発生する。</action></action>