import { ISocialUser } from "../interfaces/social-user.interface";
import { GrantType } from "../enums/grant-type.enum";
import { SocialAuthResponse } from "../interfaces/easy-social-auth-response.interface";
export declare abstract class AuthStrategy {
    protected readonly clientId: string;
    protected readonly clientSecret: string;
    protected readonly userInfoEndpoint: string;
    protected readonly tokenEndpoint: string;
    protected readonly authUrl: string;
    protected readonly grantType: GrantType;
    constructor(clientId: string, clientSecret: string, userInfoEndpoint: string, tokenEndpoint: string, authUrl: string, grantType?: GrantType);
    generateAuthUrl(redirectUri: string, scope?: string, responseType?: string, additionalParams?: Record<string, string>): string;
    protected exchangeToken(params: Record<string, string>): Promise<SocialAuthResponse<string>>;
    exchangeCodeForToken(code: string, redirectUri: string, additionalParams?: Record<string, string>): Promise<SocialAuthResponse<string>>;
    refreshAccessToken(refreshToken: string): Promise<SocialAuthResponse<string>>;
    exchangePasswordForToken(username: string, password: string): Promise<SocialAuthResponse<string>>;
    abstract getUserData(accessToken: string): Promise<SocialAuthResponse<ISocialUser>>;
}