import { RuleHandle } from './RuleHandle';
import { RuleSetLoader, RuleSetRule } from 'webpack';
export interface BabelOptions {
    'thread-loader': {
        workers: number;
        workerParallelJobs: number;
        poolTimeout: number;
    };
    'babel-loader': {
        cacheCompression: boolean;
        cacheDirectory: string | boolean;
        plugins: Array<[string] | [string, Record<string, any>] | [string, Record<string, any>, string]>;
        presets: Array<[string] | [string, Record<string, any>]>;
    };
}
export declare abstract class BabelHandle<T extends BabelOptions = BabelOptions> extends RuleHandle<T> {
    onInit(): void;
    addBabelPlugin(plugin: [string] | [string, Record<string, any>] | [string, Record<string, any>, string]): this;
    addBabelPreset(preset: [string] | [string, Record<string, any>]): this;
    protected resetEntries(): void;
    protected loaders(): RuleSetLoader[];
    collect(): RuleSetRule;
}