import webpack from 'webpack';
type IdentifierPrefix = false | string | ((filePath: string) => string);
export interface LexSvgSpritemapPluginOptions {
    readonly allowDuplicates?: boolean;
    readonly filename?: string;
    readonly optimize?: boolean;
    readonly prefix?: IdentifierPrefix;
}
export declare class LexSvgSpritemapPlugin {
    readonly patterns: string[];
    readonly options: Required<LexSvgSpritemapPluginOptions>;
    constructor(patterns: string | string[], options?: LexSvgSpritemapPluginOptions);
    buildSpritemap(): {
        content: string | null;
        filePaths: string[];
        warnings: webpack.WebpackError[];
    };
    apply(compiler: webpack.Compiler): void;
}
export default LexSvgSpritemapPlugin;