export interface StoredEndpointSessionBinding {
    conversationId: string;
    endpointId: string;
    boundAt: number;
}
export declare function getEndpointSessionBinding(conversationId: string): StoredEndpointSessionBinding | undefined;
export declare function setEndpointSessionBinding(binding: StoredEndpointSessionBinding): StoredEndpointSessionBinding;
export declare function deleteEndpointSessionBinding(conversationId: string): boolean;
export declare function deleteEndpointSessionBindingsByPrincipal(principalId: string): number;