import DownsampleSigmaNodeOptions from './downsample-sigma-node-options.js';
import DownsampleSigmaNodeResult from './downsample-sigma-node-result.js';
/**
 * Compute gaussian kernel sigma values in pixel units for downsampling.
 *
 * @param {DownsampleSigmaNodeOptions} options - options object
 *
 * @returns {Promise<DownsampleSigmaNodeResult>} - result object
 */
declare function downsampleSigmaNode(options?: DownsampleSigmaNodeOptions): Promise<DownsampleSigmaNodeResult>;
export default downsampleSigmaNode;
