import type { Options } from '../../compound/Compound';
import type { DataType } from '../CompoundData';
/**
 * Returns the refractive index of a compound
 * @param data Data of a compound data request to the PubChem API
 * @returns ExperimentalData
 */
export declare function getDensity(data?: DataType, options?: Options): import("./extractExperimentalData").ExperimentalData[];
//# sourceMappingURL=getDensity.d.ts.map