import type { AstroIntegrationLogger } from 'astro';
import type { Files } from '../types';
export declare class FilesMapGraph {
    private _nodes;
    constructor(_nodes?: Map<string, FilesMap>);
    getFilesMapByFolder(folder: string): FilesMap | undefined;
    allFilesMap(): IterableIterator<FilesMap>;
    updateFilesMapByFolder(folder: string, logger: AstroIntegrationLogger): void;
}
export declare class FilesMap {
    readonly path: string;
    /**
     * Initialize the graph of nodes by connecting them to one another.
     * The graph is expected to be acyclic but this function won't throw any
     * exception if it isn't.
     *
     * Instead when a `FilesMap` is turned into a JSON file, a warning will be
     * printed if a cycle is found.
     *
     * @param folders initial folders found after a lookup.
     */
    static initGraph(folders: string[], logger: AstroIntegrationLogger): Promise<FilesMapGraph>;
    private _extend;
    private _dependents;
    /**
     * Construct a new FileMap. To connect it to its graph, call
     * `FileMap.initGraph` or `init(graph)`.
     *
     * @param path resolved path of this file map.
     */
    constructor(path: string);
    update(graph: Map<string, FilesMap>, logger: AstroIntegrationLogger): void;
    extend(other: FilesMap): void;
    unlink(): void;
    allDependents(): Generator<FilesMap>;
    toFiles(logger: AstroIntegrationLogger): Promise<Files>;
    private _toFilePathsCheckCycles;
}