import { type AxiosResponse } from 'axios';
import type { LangCodeGoogle } from './language.js';
export declare const Endpoint: {
    readonly INFO: "info";
    readonly TEXT: "text";
    readonly AUDIO: "audio";
};
type EndpointType = (typeof Endpoint)[keyof typeof Endpoint];
/**
 * Type definitions for parameters required by each endpoint
 */
type Params = {
    [Endpoint.INFO]: {
        body: string;
    };
    [Endpoint.TEXT]: {
        source: LangCodeGoogle<'source'>;
        target: LangCodeGoogle<'target'>;
        query: string;
    };
    [Endpoint.AUDIO]: {
        lang: LangCodeGoogle<'target'>;
        text: string;
        textLength: number;
        speed: number;
    };
};
/**
 * Creates a request handler for a specific endpoint with built-in retry capabilities
 *
 * @param endpoint - The API endpoint to call
 * @param retry - Current retry attempt number (used internally)
 * @returns An object with methods to execute the request
 */
declare const request: <T extends EndpointType>(endpoint: T, retry?: number) => {
    with: (params: Params[T]) => {
        promise: Promise<AxiosResponse<any, any>>;
        /**
         * Executes a callback with the response data and handles errors/retries
         *
         * @param callback - Function to process the API response
         * @returns Promise resolving to the callback result or null on failure
         */
        doing: <V>(callback: (res: AxiosResponse) => V | undefined) => Promise<V | null>;
    };
};
export default request;