import type { GameStack, PlatformTag } from './game.interface.js';
export interface LabeledGameStack extends GameStack {
    stack: string;
    platformString: string;
    stackLabels: string[];
}
/** Returns PSNProfiles platform tags normalized for stack display. */
export declare function buildPlatformTag(platforms: readonly PlatformTag[]): string;
/** Labels a group of stack-related games using the smallest stable platform/region label. */
export declare function labelStacks(stacks: readonly GameStack[]): LabeledGameStack[];