/** V2 uses visible, dated product evidence. The historical 6.9 selector is separate. */
export declare const OPPORTUNITY_VERSION: "fastmoss-evidence-v2";
export declare const MARKETS: {
    MX: string;
    US: string;
    GB: string;
    BR: string;
    DE: string;
    ES: string;
    FR: string;
    IT: string;
    ID: string;
    TH: string;
    VN: string;
    PH: string;
    MY: string;
    JP: string;
    SG: string;
    AT: string;
    BE: string;
    NL: string;
    PL: string;
    PT: string;
};
export type Ranking = "sales" | "new" | "hot" | "video";
export declare const RANKINGS: Record<Ranking, string>;
export type SelectionConfig = {
    market: string;
    categories: string[]; /** Legacy single-category sessions. */
    category?: string;
    opportunity: "all" | "emerging" | "rebound";
    candidateLimit: number;
    detailLimit: number;
};
type CategoryScope = Pick<Partial<SelectionConfig>, "categories" | "category">;
export declare function selectionCategories(input: CategoryScope): string[];
/** Match any selected visible category keyword; an empty scope means all categories. */
export declare function matchesCategory(category: string, config: CategoryScope): boolean;
export type Period = {
    start: string;
    end: string;
    timeZone: string;
};
export type EvidenceRef = {
    url: string;
    section: string;
    observedAt: string;
    period: Period | null;
};
export type DailySale = {
    date: string;
    units: number | null;
    ref: EvidenceRef;
};
export type VideoSale = {
    id: string;
    url: string;
    creatorId: string | null;
    creatorName: string;
    published: string;
    units: number | null;
    ad: boolean | null;
    ref: EvidenceRef;
};
export type ProductEvidence = {
    version: typeof OPPORTUNITY_VERSION;
    productId: string;
    market: string;
    title: string;
    url: string;
    category: string;
    storeName: string;
    imageUrls: string[];
    discoveredAt: string;
    rankings: Array<{
        source: Ranking;
        position: number;
        ref: EvidenceRef;
    }>;
    identityVerified: boolean;
    currency: string | null;
    listingDate: string | null;
    price: number | null;
    stock: number | null;
    rating: number | null;
    priceBasis?: "7天成交均价";
    stockText?: string;
    reviewCount?: number | null;
    daily: DailySale[];
    videos: VideoSale[];
    overview: {
        ref: EvidenceRef;
        units?: number | null;
        unitsTolerance?: number;
        videoShare: number | null;
        liveShare: number | null;
        adShare: number | null;
        otherShare: number | null;
    } | null;
    missing: string[];
    detailState: "pending" | "running" | "complete" | "failed";
    error?: string;
};
export type Assessment = {
    decision: "test" | "watch" | "skip";
    opportunity: "emerging" | "rebound" | "unconfirmed";
    reasons: string[];
    risks: string[];
    missing: string[];
    cutoff: string | null;
    recentUnits: number | null;
    previousUnits: number | null;
    growthPercent: number | null;
    increment: number | null;
    newVideoUnits: number | null;
    newVideoCount: number;
    convertingCreators: number;
    topCreatorShare: number | null;
    reboundWindows: Array<{
        start: string;
        end: string;
        units: number;
    }>;
};
export declare function selectionConfig(input: Partial<SelectionConfig>): SelectionConfig;
/** Missing, rounded lower bounds and ranges must never silently become exact zero. */
export declare function visibleNumber(value: unknown): number | null;
export declare const isoDate: (value: string) => boolean;
export declare const dayOffset: (date: string, days: number) => string;
export declare const samePeriod: (a: Period | null, b: Period | null) => boolean;
export declare function assessOpportunity(product: ProductEvidence, config: SelectionConfig, now?: Date): Assessment;
export declare function opportunityCandidate(product: ProductEvidence, config: SelectionConfig, sessionId: string): {
    source: string;
    sourceProductId: string;
    platformProductId: string;
    title: string;
    market: string;
    category: string;
    storeName: string;
    productUrl: string;
    imageUrls: string[];
    metrics: {
        strategy: "fastmoss-evidence-v2";
        selectionSessionId: string;
        selectionDecision: "test" | "watch" | "skip";
        selectionEligible: boolean;
        portfolioSelected: boolean;
        selectionReasons: string[];
        selectionRisks: string[];
        sales: number | null;
        growthPercent: number | null;
        price: number | null;
        currency: string | null;
        captureDate: string;
        sourceVerified: boolean;
        opportunityAssessment: Assessment;
        opportunityEvidence: ProductEvidence;
    };
};
export {};