import { AuthChallenge } from '../types/challenges.js';
import { AuthErrorView } from '../types/errors.js';
import { AuthSessionView } from '../types/session.js';
/**
 * Runtime-validate a session payload for UI consumption.
 * Returns null for missing or malformed payloads (never throws).
 */
export declare function parseAuthSessionView(input: unknown): AuthSessionView | null;
/**
 * Runtime-validate / normalize an error envelope.
 */
export declare function parseAuthErrorView(input: unknown): AuthErrorView;
/**
 * Runtime-validate a challenge object (OTP, passkey, OAuth, magic link).
 */
export declare function parseAuthChallenge(input: unknown): AuthChallenge | null;
/**
 * Validate OAuth callback-shaped results.
 * Returns a success redirect challenge, an error view, or null if unrecognized.
 */
export declare function parseOAuthCallbackResult(input: unknown): {
    ok: true;
    challenge: Extract<AuthChallenge, {
        type: "oauth_redirect";
    }>;
} | {
    ok: false;
    error: AuthErrorView;
} | null;