/**
 * See {@link https://tools.ietf.org/html/rfc6749#section-5.1 Successful Response}
 */
export type Token = {
    access_token: string;
    token_type: string;
    refresh_token?: string;
    expires_in?: number;
    scope?: string;
};
/**
 * see {@link https://tools.ietf.org/html/rfc6749#section-5.2 Error Response}
 */
export type ErrorBody = {
    error: 'invalid_request' | 'invalid_client' | 'invalid_grant' | 'unauthorized_client' | 'unsupported_grant_type' | 'invalid_scope';
    error_description?: string;
    error_uri?: string;
};
export type TokenBody<T> = T | ErrorBody;
export interface TokenResponse<T extends Token> extends Response {
    json(): Promise<TokenBody<T>>;
}