import type { SessionMetadataCheckoutMode, SessionMetadataCollect, SessionMetadataShopLine } from './sessionMetadataV3.js';
export interface SessionMetadataShopV4 {
    salesPointId: number;
    lines: SessionMetadataShopLine[];
}
export interface SessionMetadataLoyaltyV4 {
    readonly activatedCouponId?: string | null;
}
export interface SessionMetadataEnvelopeV4 {
    version: 4;
    collect?: SessionMetadataCollect;
    checkoutMode?: SessionMetadataCheckoutMode;
    shop?: SessionMetadataShopV4;
    loyalty?: SessionMetadataLoyaltyV4;
}
export declare function isSessionMetadataV4(value: unknown): value is SessionMetadataEnvelopeV4;
/** Channel/mode matrix — throws on invalid combinations. */
export declare function assertSessionMetadataV4ChannelRules(envelope: SessionMetadataEnvelopeV4): void;
//# sourceMappingURL=sessionMetadataV4.d.ts.map