Use ____ to define an index signature with string keys.
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The ____ utility type creates a record with specific keys and values.
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Explain generics in TypeScript with examples.
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What are utility types in TypeScript? Provide examples.
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How do union and intersection types work in TypeScript?
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Explain type guards and their importance.
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What are mapped types and how are they used?
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How do decorators work in TypeScript?
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Explain the module system in TypeScript.
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What are conditional types and when would you use them?
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What is the correct way to implement a recursive conditional type?
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How do you extract the return type of a function type?
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What is the purpose of template literal types?
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How do you create a type that excludes never from a union?
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What is the difference between covariance and contravariance in TypeScript?
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