export type SeoIssueSeverity = "error" | "warning" | "info";
export type SeoAuditIssue = {
    id: string;
    severity: SeoIssueSeverity;
    message: string;
};
export type SeoAuditMeta = {
    title: string | null;
    description: string | null;
    canonical: string | null;
    h1Count: number;
    h1Text: string | null;
    hasViewport: boolean;
    hasOgTitle: boolean;
    hasOgDescription: boolean;
    hasOgImage: boolean;
    lang: string | null;
    imagesMissingAlt: number;
    linkCount: number;
};
export type SeoAuditPayload = {
    type: "audit";
    siteKey: string;
    ts: number;
    visitorId: string;
    path: string;
    url: string;
    seoScore: number;
    uiScore: number;
    issues: SeoAuditIssue[];
    meta: SeoAuditMeta;
    /** JPEG/PNG data URL — trimmed server-side if huge */
    snapshot?: string;
    userAgent?: string;
    clientIp?: string;
};
export type SeoConfig = {
    siteKey: string;
    endpoint?: string;
    debug?: boolean;
    collectSecret?: string;
    requireConsent?: boolean;
    /** Capture viewport snapshot on each audit (adds payload size) */
    captureSnapshot?: boolean;
};
export type SeoAuditResult = Omit<SeoAuditPayload, "type" | "siteKey" | "visitorId" | "clientIp">;
export declare function auditCurrentPage(doc?: Document, win?: Window): SeoAuditResult;
export declare function captureViewportSnapshot(maxWidth?: number): Promise<string | null>;
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