@interface DelaunayTriangle : NSObject @property (readonly) void /* unknown type, empty encoding */ first; @property (readonly) void /* unknown type, empty encoding */ second; @property (readonly) void /* unknown type, empty encoding */ third; @property (readonly) float area; - (id)initFirst:(id)a0 second:(SEL)a1 third:(void /* unknown type, empty encoding */)a2; @end