/**
 * Shared PWA + kiosk contact-policy UI axes (Frozen G11).
 * Apps map copy variants to locale strings; do not hardcode dual-channel phrases.
 */
import type { CustomerContactPolicyPayload } from './customerContactPolicy.js';
/** Safe default when GET contact-policy has not loaded (matches AUTH default `email`). */
export declare const DEFAULT_CUSTOMER_CONTACT_POLICY_PAYLOAD: CustomerContactPolicyPayload;
export type ContactPolicyOtpCopyVariant = 'email' | 'phone' | 'email_or_phone';
/** G17: phone in password copy/lookup only when policy allows phone. */
export type ContactPolicyPasswordCopyVariant = 'username_email' | 'username_email_phone';
export declare function resolveOtpIdentifierCopyVariant(policy: Pick<CustomerContactPolicyPayload, 'emailAllowed' | 'phoneAllowed'>): ContactPolicyOtpCopyVariant;
export declare function resolvePasswordIdentifierCopyVariant(policy: Pick<CustomerContactPolicyPayload, 'phoneAllowed'>): ContactPolicyPasswordCopyVariant;
/** Password may resolve E.164 via findByPhone when policy allows phone (G17 B). */
export declare function passwordAllowsPhoneLookup(policy: Pick<CustomerContactPolicyPayload, 'phoneAllowed'>): boolean;
export declare function normalizePhoneToE164(raw: string): string | null;
/**
 * Wave 4/5 identifier inputMode: phone / E.164 → tel; email-only → email;
 * dual policy classifies the current value.
 */
export declare function resolveSignInIdentifierInputMode(raw: string, policy: Pick<CustomerContactPolicyPayload, 'emailAllowed' | 'phoneAllowed'>): 'tel' | 'email';
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