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What is Declaration Merging in TypeScript?

Declaration Merging is a unique TypeScript feature that combines multiple declarations with the same name into a single definition. It commonly occurs with interfaces and namespaces, enabling incremental extension of types and APIs.

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What is the difference between interfaces and type aliases in TypeScript?

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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.