https://developer.apple.com/documentation/uikit/uipasteconfiguration
"The interface that an object implements to declare its ability to accept specific data types for pasting and for drag and drop activities."
붙여넣기 및 드래그 앤 드롭 동작을 허용하는 기능 선언을 위해 객체가 구현하는 인터페이스입니다.
@MainActor class UIPasteConfiguration : NSObject