import type { FunctionDefinition } from '../../definition_types';
/**
 * Extracts the maximum value of the `y` coordinates from the supplied geometry.
 * If the geometry is of type `geo_point` or `geo_shape` this is equivalent to extracting the maximum `latitude` value.
 *
 * @example
 * FROM airport_city_boundaries
 * | WHERE abbrev == "CPH"
 * | EVAL envelope = ST_ENVELOPE(city_boundary)
 * | EVAL xmin = ST_XMIN(envelope), xmax = ST_XMAX(envelope), ymin = ST_YMIN(envelope), ymax = ST_YMAX(envelope)
 * | KEEP abbrev, airport, xmin, xmax, ymin, ymax
 */
declare const definition: FunctionDefinition;
export default definition;
//# sourceMappingURL=st_ymax.d.ts.map