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API Notes File: The product of the 2d nullability audit of Foundation.
As well as the required test/stdlib modifications. Swift SVN r21181
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@@ -1349,7 +1349,7 @@ extension String {
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/// by a given encoding.
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public func stringByReplacingPercentEscapesUsingEncoding(
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encoding: NSStringEncoding
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) -> String {
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) -> String? {
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return _ns.stringByReplacingPercentEscapesUsingEncoding(encoding)
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}
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