import type { Config } from '../types.js';
type WebpackCompiler = {
    hooks: {
        afterEmit: {
            tapAsync: (name: string, callback: (compilation: any, callback: (error?: Error) => void) => void) => void;
        };
    };
};
type WebpackPluginInstance = {
    apply: (compiler: WebpackCompiler) => void;
};
export interface WebpackPluginOptions {
    cssFiles?: string[];
    sourceDirectories?: string[];
    outputDir?: string;
    mode?: 'analyze' | 'clean';
    config?: Partial<Config>;
    onAnalysisComplete?: (result: any) => void;
}
export declare class CSSPrunerPlugin implements WebpackPluginInstance {
    private options;
    constructor(options?: WebpackPluginOptions);
    apply(compiler: WebpackCompiler): void;
}
export default CSSPrunerPlugin;
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