import type { BackendProtocol } from "deepagents";
export declare const DEFAULT_HIDDEN_BACKEND_SEGMENTS: readonly ["conversation_history"];
export declare const BLOCKED_BACKEND_PATH_MESSAGE = "Access to conversation history archives is unavailable to agent file tools. Use the current thread context or /memories/ instead.";
type FilteredBackendOptions = {
    hiddenPathSegments?: Iterable<string>;
    blockedPathMessage?: string;
};
export declare const pathUsesHiddenSegment: (value: string, hiddenPathSegments?: Iterable<string>) => boolean;
export declare const createFilteredBackend: (delegate: BackendProtocol, options?: FilteredBackendOptions) => BackendProtocol;
export {};