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/**
Check if an error is a [Fetch network error](https://developer.mozilla.org/en-US/docs/Web/API/fetch#exceptions)
@return Returns `true` if the given value is a Fetch network error, otherwise `false`.
@example
```
import isNetworkError from 'is-network-error';
async function getUnicorns() {
try {
const response = await fetch('unicorns.json');
return await response.json();
} catch (error) {
if (isNetworkError(error)) {
return localStorage.getItem('…');
}
throw error;
}
}
console.log(await getUnicorns());
```
*/
export default function isNetworkError(value: unknown): value is TypeError;