import { Got } from 'got';
import { BaseServiceOptions, KeyOption } from './interfaces';
import { Response } from './response';
/**
 * Abstract service for dgks
 *
 * @template S
 */
export declare abstract class Service<S> {
    protected readonly got: Got;
    constructor(options: KeyOption & BaseServiceOptions);
    /**
     * Parse search params (query params) to specific format
     *
     * @param {S} searchParams
     */
    protected abstract parseSearchParams(searchParams: S): Record<string, string | number | boolean | null | undefined> | undefined;
    /**
     * Sends GET request to url with options
     *
     * @param {url} url - suffix of url
     * @param {S} searchParams - search params for requesting
     */
    protected get<T>(url: string, searchParams: S): Promise<Response<T>>;
    /**
     * Zeropad number or string with length
     *
     * @param {string | number} i - Value to zeropad
     * @param {number} [width=4] - Length of zeropad
     */
    protected zeropad(i: string | number, width?: number): string;
    /**
     * Formats date to YYYYMMDD format.
     * If date is passed as string it will not format
     *
     * @param {string | Date} date - date to format
     */
    protected formatDate(date: string | Date): string;
}