import { TypedError } from 'typed-error';
import { OauthProviderContract } from '../contracts/oauth-provider';
export declare class OAuthInvalidOption extends TypedError {
}
export declare class OAuthRequestError extends TypedError {
}
export declare class OAuthUnsuccessfulResponse extends TypedError {
}
/**
 * @summary Send an HTTP request
 * @function
 * @public
 *
 * @description
 * If the access token is passed, then we set the
 * "Authorization" header out of the box, and then
 * delegate to the `request` module.
 *
 * @param {(Object|Undefined)} accessToken - Access token
 * @param {Object} options - Request options
 * @param {Number} [retries] - Number of retries
 * @returns {Object} HTTP response (code, body)
 */
export declare const request: (accessToken: {
    access_token: any;
} | null, options: {
    url: any;
    form: string;
    headers?: {
        [key: string]: string;
    } | undefined;
}, retries?: number) => Promise<{
    code: number;
    body: any;
}>;
/**
 * @summary Swap a short lived token for an access token
 * @function
 * @public
 *
 * @description
 * This function takes a short lived token an exchanges it
 * for a proper access token that looks like this:
 *
 * {
 *   "access_token": "MTQ0NjJkZmQ5OTM2NDE1ZTZjNGZmZjI3",
 *   "token_type": "bearer",
 *   "expires_in": 3600,
 *   "refresh_token": "IwOGYzYTlmM2YxOTQ5MGE3YmNmMDFkNTVk",
 *   "scope": "create"
 * }
 *
 * @param {OauthProviderContract} provider - Oauth provider contract to get info from
 * @param {String} code - Short-lived token
 * @returns {Object} New access token
 * @returns {Object} Access token
 */
export declare const getAccessToken: (provider: OauthProviderContract, code: string) => Promise<any>;
/**
 * @summary Refresh an expired access token
 * @public
 * @function
 *
 * @description The `accessToken` argument should be previously
 * adquired through `.getAccessToken()`. The result of this
 * function is the same as `.getAccessToken()`.
 *
 * @param {OauthProviderContract} provider - Oauth provider contract to get info from
 * @param {String} refreshToken - The refresh token
 * @returns {Object} New access token
 */
export declare const refreshAccessToken: (provider: OauthProviderContract, refreshToken: string) => Promise<any>;