import type { PropertyConfig, RuntimeState } from "../types.ts";
import type { CookieSettings } from "./cookie_settings.ts";
type CookieJarLike = {
    get: (name: string) => string | undefined;
    set: (name: string, value: string, opts?: {
        domain?: string;
        path?: string;
        sameSite?: string;
        secure?: boolean;
        maxAgeSeconds?: number;
    }) => {
        ok?: boolean;
        domain?: string | null;
        cookieStr?: string | null;
        attempts?: unknown[];
    } | unknown;
};
/**
 * Updates shared session tokens once per event and writes the same serialized
 * session cookie value to each destination property cookie (when allowed).
 *
 * This preserves the current dispatcher behavior while making it testable and reusable.
 */
export declare function updateAndWriteSharedSession({ state, destinations, jar, getPropertyConfig, resolveCookieSettings, sessionTimeoutMs, engagementTimeMs, engagedThresholdMs, nowMs, log, }: {
    state: RuntimeState;
    destinations: string[];
    jar: CookieJarLike;
    getPropertyConfig: (pid: string) => PropertyConfig;
    resolveCookieSettings: (pcfg: PropertyConfig) => CookieSettings;
    sessionTimeoutMs?: number;
    engagementTimeMs?: number;
    engagedThresholdMs?: number;
    nowMs?: number;
    log?: ((...args: unknown[]) => void) | null;
}): void;
export {};