public func CTLineCreateWithAttributedString(_ attrString: CFAttributedString) -> CTLine public func CTLineCreateTruncatedLine(_ line: CTLine, _ width: Double, _ truncationType: CTLineTruncationType, _ truncationToken: CTLine?) -> CTLine? public func CTLineCreateJustifiedLine(_ line: CTLine, _ justificationFactor: CGFloat, _ justificationWidth: Double) -> CTLine? public func CTTypesetterCreateLine
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