import type { BrowserTabBinding } from '@xopcai/gateway-contract';
export declare function getBrowserTabBinding(conversationId: string, now?: number): BrowserTabBinding | undefined;
export declare function getBrowserTabBindingById(bindingId: string, now?: number): BrowserTabBinding | undefined;
export declare function setBrowserTabBinding(input: Omit<BrowserTabBinding, 'id' | 'createdAt' | 'expiresAt'>, now?: number): BrowserTabBinding;
export declare function deleteBrowserTabBinding(conversationId: string): boolean;
export declare function deleteBrowserTabBindingsByEndpoint(endpointId: string): number;
export declare function deleteBrowserTabBindingsByPrincipal(principalId: string): number;