import webpack from 'webpack';
import { CompilationAssets } from './types';
export interface TransformOpt {
    assetName: string;
    source: string | Buffer;
    assets: CompilationAssets;
}
export interface PluginOpt {
    test?: RegExp;
    transform: (opt: TransformOpt) => string;
}
export declare class TransformBeforeCompressionPlugin {
    private readonly opt;
    static readonly pluginName = "TransformBeforeCompression";
    constructor(opt: PluginOpt);
    apply(compiler: webpack.Compiler): void;
}