import { AuthenticatedFetchOptions, OAuth2CallbackParams, OAuth2Error, OAuth2Session, OAuth2UserInfo, StrandsAccountConfig } from './types';
export interface OAuthClientState {
    session: OAuth2Session | null;
    isLoading: boolean;
    error: OAuth2Error | null;
}
export type Listener = (state: OAuthClientState) => void;
export interface OAuthClient {
    getState(): OAuthClientState;
    subscribe(listener: Listener): () => void;
    startAuth(returnTo?: string): Promise<void>;
    handleCallback(params: OAuth2CallbackParams): Promise<OAuth2Session>;
    refreshTokens(): Promise<boolean>;
    fetchUserInfo(): Promise<OAuth2UserInfo>;
    signOut(revokeTokens?: boolean): Promise<void>;
    getAuthHeaders(): Record<string, string>;
    authenticatedFetch(url: string | URL, options?: AuthenticatedFetchOptions): Promise<Response>;
    dispose(): void;
}
export declare function createOAuthClient(config: StrandsAccountConfig): OAuthClient;
export declare function setDefaultClient(client: OAuthClient | null): void;
export declare function getDefaultClient(): OAuthClient | null;