@class NSArray, NSLayoutAnchor; @interface _NSDistanceLayoutDimension : NSLayoutDimension <NSCompositeLayoutAnchor> { NSLayoutAnchor *_minuend; NSLayoutAnchor *_subtrahend; } @property (readonly) NSArray *_childAnchors; + (id)distanceFromAnchor:(id)a0 toAnchor:(id)a1; - (void)dealloc; - (void)encodeWithCoder:(id)a0; - (id)initWithCoder:(id)a0; - (id)initWithAnchor:(id)a0; - (double)_valueInEngine:(id)a0; - (id)_expressionInContext:(struct { long long x0; id x1; id x2; })a0; - (id)equationDescription; - (id)initWithMinuend:(id)a0 subtrahend:(id)a1; @end