export type JsonlStoreOptions = {
    dataDir?: string;
    subdir: "seo";
    retentionDays?: number;
    maxFileMb?: number;
    collectSecret?: string;
};
export declare function resolveCollectSecret(opts?: Pick<JsonlStoreOptions, "collectSecret">): string | undefined;
export declare function verifyCollectAuth(request: Request, opts?: Pick<JsonlStoreOptions, "collectSecret">): boolean;
export declare function sanitizePath(raw?: string): string;
export declare function resolveDataDir(override?: string): string;
export declare function trimJsonlFile(file: string, retentionDays: number, maxMb: number): Promise<void>;
export declare function appendJsonlRecord(opts: JsonlStoreOptions, siteKey: string, record: unknown): Promise<void>;
export declare function clientIpFromHeaders(headers: Headers): string | undefined;
export declare function collectCorsHeaders(request?: Request | {
    headers: Headers;
} | null): Record<string, string>;
/** @deprecated Prefer collectCorsHeaders(request) for cross-origin collect routes. */
export declare const COLLECT_CORS_HEADERS: Record<string, string>;
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