import type { CryptoCurrency } from "@ledgerhq/types-cryptoassets";
import type { FeeItems } from "../types";
export declare const speeds: Map<number, string>;
export declare const defaultBlockCount = 3;
/**
 * Returns the current network fee rate(fast, medium, slow) from our backend for a given currency
 */
export declare const getFeeItems: (currency: CryptoCurrency) => Promise<FeeItems>;
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