export default base64EncodeSpec;
/**
 * Encode object to base64 string
 * @param {import("vega-embed").VisualizationSpec} chartSpec
 * @returns {string}
 */
declare function base64EncodeSpec(chartSpec: import("vega-embed").VisualizationSpec): string;
//# sourceMappingURL=encode-spec-b64.d.ts.map