/**
 * Authenticated user information for credits operations
 */
interface CreditsUser {
    id: string;
    email?: string | null;
    name?: string | null;
}
/**
 * Auth provider interface for credits system
 *
 * Implementations can use any auth system (NextAuth, JWT, API keys, etc.)
 */
interface ICreditsAuthProvider {
    /**
     * Get the currently authenticated user
     * @returns User information or null if not authenticated
     */
    getCurrentUser(): Promise<CreditsUser | null>;
    /**
     * Verify if a user has admin access for credits management
     * @param userId - User ID to check
     * @returns True if user has admin access
     */
    verifyAdminAccess(userId: string): Promise<boolean>;
}
/**
 * Factory type for creating auth provider instances
 */
type CreditsAuthProviderFactory = () => ICreditsAuthProvider;

export type { CreditsAuthProviderFactory as C, ICreditsAuthProvider as I, CreditsUser as a };