/**
 * Provides shared configuration for Vis family of packages for Babel.
 * @param _context - The context provided by Babel, unused here.
 * @param [options] - The options object.
 * @param [options.ts] - Indicates if TypeScript is being used.
 * @returns Babel config.
 */
export default function (_context: unknown, { ts }?: {
    ts?: boolean | undefined;
}): {
    presets: any[];
    plugins: any[][];
    env: {
        test: {
            presets: any[][];
        };
        "test-cov": {
            presets: any[][];
            plugins: string[];
        };
    };
};
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