import { Metafield } from '@shopify/checkout-ui-extensions';
interface MetafieldFilter {
    namespace: string;
    key: string;
}
/**
 * Returns a single filtered `Metafield` or `undefined`.
 * @arg {MetafieldFilter} - filter the list of returned metafields to a single metafield
 */
export declare function useMetafield(filters: MetafieldFilter): Metafield | undefined;
export {};
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