type ExtentObject = {
    xmin: number;
    ymin: number;
    xmax: number;
    ymax: number;
    spatialReference: {
        wkid: number;
        latestWkid?: number;
    };
};
/**
 * This function checks if a given extent object is a valid extent for a Feature Service.
 * @param extent
 * @returns
 */
export declare const isValidFeatureServiceExtent: (extent: ExtentObject) => boolean;
export {};