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What are Utility Types in TypeScript and why are they useful?

Utility Types are built-in TypeScript features that help transform existing types into new ones. Common utility types include Partial, Required, Readonly, Pick, Omit, and Record. They reduce code duplication, improve maintainability, and simplify complex type definitions in large applications.

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JB

Jeevan Bhargav

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This answer is calibrated for technical interviews. Verify benchmarks in local sandboxes before deploying.