/**
 * Copyright 2023 Kapeta Inc.
 * SPDX-License-Identifier: BUSL-1.1
 */
import { StormEventFileDone, StormEventPage, StormImage } from './events';
import { Response } from 'express';
import { ConversationItem } from './stream';
import { ImagePrompt } from './PageGenerator';
export declare const SystemIdHeader = "System-Id";
export declare function normalizePath(path: string): string;
export declare function writePageToDisk(systemId: string, event: StormEventPage): Promise<{
    path: string;
}>;
export declare function writeAssetToDisk(systemId: string, event: StormEventFileDone): Promise<{
    path: string;
}>;
export declare function writeImageToDisk(systemId: string, event: StormImage, prompt: ImagePrompt): Promise<{
    path: string;
}>;
export declare function hasPageOnDisk(systemId: string, path: string, method: string): boolean;
export declare function getSystemBaseDir(systemId: string): string;
export declare function getSystemBaseImplDir(systemId: string): string;
export declare function resolveReadPath(systemId: string, path: string, method: string): string | null;
export declare function readPageFromDiskAsString(systemId: string, path: string, method: string): string | null;
export declare function readPageFromDisk(systemId: string, path: string, method: string, res: Response): void;
export interface Conversation {
    messages: ConversationItem[];
    variantId: string;
    type: 'page';
    filename: string;
}
export declare function readConversationFromFile(filename: string): Conversation[];
export declare function writeConversationToFile(filename: string, conversations: Conversation[]): void;