import { CosmosChainData, DenomTraceData } from './types';
import { IAsyncStorage } from './storage';
/**
 * The `DenomFetcher` class provides methods to fetch and cache denom trace data.
 * It works with IBC denom traces, caching results for efficiency.
 */
export declare class DenomFetcher {
    private static cache;
    private static allDenomTraceData;
    /**
     * Checks if the cache has been initialized.
     * @returns `true` if the cache is initialized, `false` otherwise.
     */
    static isCacheInitialized(): boolean;
    /**
     * Initializes the cache for storing denom trace data.
     * @param storage - An implementation of `IAsyncStorage` interface ({@link IAsyncStorage}).
     */
    static initializeCache(storage: IAsyncStorage): void;
    static loadAllDenomTraceData(): Promise<void>;
    /**
     * Retrieves the denom trace data for a given denom and chain.
     * It initializes the cache if not already initialized and caches the fetched data.
     * @param denom - The denomination string to fetch the trace for.
     * @param chain - The chain data object ({@link CosmosChainData}).
     * @returns A Promise that resolves to the denom trace data ({@link DenomTraceData}),
     *          or throws an error if the trace cannot be fetched.
     */
    static getTrace(denom: string, chain: CosmosChainData): Promise<DenomTraceData>;
}