import { QueryKey } from '@tanstack/react-query';
interface SessionQueryClient {
    setQueryData: (queryKey: QueryKey, data: unknown) => void;
}
/**
 * Single production writer of the Better Auth / React Query session mirror.
 * Canonical identity remains `athena.auth.session`.
 */
export declare function writeSessionQueryMirror(queryClient: SessionQueryClient, data: unknown): void;
/**
 * Mirror an Athena session snapshot into derived RQ/BA session keys.
 */
export declare function mirrorAthenaSessionSnapshot(queryClient: SessionQueryClient, snapshot: {
    session?: unknown;
    status?: string;
} | null | undefined): void;
export {};