import type { CryptoCurrency } from "@ledgerhq/types-cryptoassets";
import type { BridgeCacheSystem } from "@ledgerhq/types-live";
export declare function makeBridgeCacheSystem({ saveData, getData, }: {
    saveData: (currency: CryptoCurrency, data: unknown) => Promise<void>;
    getData: (currency: CryptoCurrency) => Promise<unknown | null | undefined>;
}): BridgeCacheSystem;
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