class Layer { id!: string; name!
: string; x: number = 0; y: number = 0; width: number = 0; height: number = 0; } const LAYER_DATA_INITIALIZE_INCLUDE_KEYS: ReadonlyArray
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as
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asconst
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const
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MappedTypes
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ReadonlyArray
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TypeScript
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타입스크립트
원문 링크 : readonly, as const