/// <reference types="node" />
import File from "vinyl";
import { FileCacheEntry, FileCacheInterface } from "../types";
export declare class FileCache implements FileCacheInterface {
    fileCache: Record<string, FileCacheEntry>;
    delete(file: File): void;
    add(file: File): void;
    filterByPath(filterFn: (a: string) => boolean): FileCacheEntry[];
    filter(filterFn: (a: FileCacheEntry) => boolean): FileCacheEntry[];
    toString(): string;
    toPaths(): string[];
    static create(): FileCache;
}
/**
 * Provides a file cache of the files running through the stream
 * The cache can be used elsewhere in the stream for dynamic analysis
 * of multiple files.
 */
export declare function createFileCache(filter?: (a: File) => boolean): {
    stream: import("stream").Transform;
    cache: FileCache;
};