export interface CDPRemoteHandle {
    objectId: string;
    nodeId?: number;
    frameId?: string;
}
/**
 * Per-session registry that hides CDP-specific object ids from the public API.
 * External callers (tests, the user) see an opaque UUID; internally we keep
 * the Runtime.RemoteObject objectId so we can call back into the browser.
 */
export declare class ElementRefStore {
    private readonly _byUuid;
    private readonly _byObjectId;
    register(handle: CDPRemoteHandle): string;
    resolve(uuid: string): CDPRemoteHandle | undefined;
    release(uuid: string): void;
    clear(): void;
    get size(): number;
}