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[Home](./index.md) &gt; [@csstools/utilities](./utilities.md)

## utilities package

## Functions

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Function


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Description


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[hasFallback(node)](./utilities.hasfallback.md)


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Check if a declaration has a fallback. Returns true if a declaration with the same property name appears before the current declaration.


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[hasSupportsAtRuleAncestor(node, predicate)](./utilities.hassupportsatruleancestor.md)


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Check if a node has a `@supports` at-rule ancestor with a given regex in its params.


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