interface SignupOptions {
    requireEmailVerification?: boolean;
    autoSignin?: boolean;
    includeUserProfile?: boolean;
    customUserData?: Record<string, any>;
    skipPasswordValidation?: boolean;
    generateUsername?: boolean;
    username?: string;
    firstName?: string;
    lastName?: string;
    fullName?: string;
    profilePicture?: string;
    requesterIp?: string;
}
interface SignupResult {
    user: {
        id: string;
        email: string;
        username?: string;
        firstName?: string;
        lastName?: string;
        fullName?: string;
        profilePicture?: string;
        emailVerified?: boolean;
        createdAt?: Date;
    };
    token: string;
    cookieOptions: {
        httpOnly: boolean;
        secure: boolean;
        maxAge: number;
        sameSite: "lax" | "strict" | "none";
        path: string;
    };
    isNewUser: boolean;
    requiresEmailVerification?: boolean;
}
/** Framework-agnostic signup with validation, optional email verification, and profile fields support. */
declare function signupCore(email: string, password: string, options?: SignupOptions): Promise<SignupResult>;

interface SigninOptions {
    rememberMe?: boolean;
    requireEmailVerification?: boolean;
    updateLastLogin?: boolean;
    includeUserProfile?: boolean;
    maxLoginAttempts?: number;
    lockoutDuration?: number;
    requesterIp?: string;
}
interface SigninResult {
    user: {
        id: string;
        email: string;
        username?: string;
        firstName?: string;
        lastName?: string;
        emailVerified?: boolean;
        lastLoginAt?: Date;
    };
    token: string;
    cookieOptions: {
        httpOnly: boolean;
        secure: boolean;
        maxAge: number;
        sameSite: "lax" | "strict" | "none";
        path: string;
    };
    isFirstLogin?: boolean;
    mustChangePassword?: boolean;
}
/** Framework-agnostic signin with rate limiting, optional email verification check, and rolling updates. */
declare function signinCore(email: string, password: string, options?: SigninOptions): Promise<SigninResult>;

export { type SignupOptions as S, signinCore as a, type SignupResult as b, type SigninOptions as c, type SigninResult as d, signupCore as s };