export declare const resolveSync: (promiseFns: (() => Promise<any>)[]) => Promise<void>;
export declare const getSequence: (fromBlockNumber: number, lastBlockNumber: number, maxPageSize: number | undefined) => {
    from: number;
    to: number;
}[];
export declare const promisify: (callback: () => Promise<any>, timeout?: number) => Promise<unknown>;
