АБ
Size: a a a
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E
blurViewWidthConstraint = NSLayoutConstraint(item: blurView, attribute: .width, relatedBy: .equal, toItem: nil, attribute: .notAnAttribute, multiplier: 1, constant: blurWidth)
blurView.addConstraint(blurViewWidthConstraint)NSLayoutConstraint(item: blurView, attribute: .trailing, relatedBy: .equal, toItem: view, attribute: .trailing, multiplier: 1, constant: -10)E
blurView.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: 0).isActive = true
blurView.layoutIfNeeded()
blurView.updateConstraints()FF

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B
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AO