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developer-roadmap/roadmaps/ios/content/serializing@8rYjSCgRiJMHTNxOU6vgG.md

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Serializing

Serializing converts Swift data structures into JSON or XML format for storage or network transmission. JSONEncoder turns Codable types into Data. Proper serialization handles date formats, custom key naming strategies, and optional values to produce valid output that the server or storage layer can interpret correctly.

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