import { FileSystem } from '../common/fileSystem';
import { Uri } from '../common/uri/uri';
import { ImportResult } from './importResult';
export type ImportPath = {
    importPath: Uri | undefined;
};
type CacheEntry = {
    importResult: ImportResult;
    path: Uri;
    importName: string;
};
export declare class ParentDirectoryCache {
    private _importRootGetter;
    private readonly _importChecked;
    private readonly _cachedResults;
    private _libPathCache;
    constructor(_importRootGetter: () => Uri[]);
    getImportResult(path: Uri, importName: string, importResult: ImportResult): ImportResult | undefined;
    checkValidPath(fs: FileSystem, sourceFileUri: Uri, root: Uri): boolean;
    checked(path: Uri, importName: string, importPath: ImportPath): void;
    add(result: CacheEntry): void;
    reset(): void;
}
export {};