import * as webpack from 'webpack';
import { Module } from '../types';
export declare class NgNamedImportCheckPlugin {
    private folderList;
    private filter?;
    private customHint?;
    constructor(folderList?: string[], filter?: (module: Module) => boolean, customHint?: (module: Module) => void);
    private isInFolder;
    apply(compiler: webpack.Compiler): void;
    private warnHint;
}