@interface SCNBillboardConstraint : SCNConstraint { BOOL _preserveScale; } @property (nonatomic) unsigned long long freeAxes; + (BOOL)supportsSecureCoding; + (id)billboardConstraint; - (id)init; - (void)encodeWithCoder:(id)a0; - (id)initWithCoder:(id)a0; - (id)copyWithZone:(struct _NSZone { } *)a0; - (BOOL)preserveScale; - (void)setPreserveScale:(BOOL)a0; @end