/**
 * Utility functions and helpers.
 */
/**
 * Parse a viewpoint string into its constituent parts: longitude, latitude, and
 * level of detail. This helper makes sure all the parts are valid values and
 * assigned defaults when things are missing.
 *
 * @param viewpoint {string} Expect 3 comma separated number indicating
 *   longitude, latitude, and level of detail, e.g. "-118.4324,34.1234,9".
 * @returns {viewpointProps} An object made up of {longitude, latitude,
 *   levelOfDetail, scale}
 */
export interface viewpointProps {
    longitude: number;
    latitude: number;
    levelOfDetail: number;
    scale: number;
}
export declare function parseViewpoint(viewpoint: string): viewpointProps;
/**
 * Parse a string looking for the minimum and maximum numbers. It expects either one
 * number or two numbers separated by a comma. The minimum and maximum values must be
 * within the range of the default min and max parameters. If only one value is parsed then it
 * is used for both min and max. If two numbers are parsed the smallest is set to
 * the min value and the largest to the max.
 * @param minMax {string} Either 1 or 2 numbers comma separated.
 * @param defaultMin {number} A number to use as the default value for the minimum if not found, or the smallest minimum value allowed.
 * @param defaultMax {number} A number to use as the default value for the maximum if not found, or the largest maximum value allowed.
 * @returns {object} {min, max}
 */
export interface minMaxProps {
    min: number;
    max: number;
}
export declare function parseMinMax(minMax: string, defaultMin: number, defaultMax: number): minMaxProps;
/**
 * Parse an offset string into its constituent parts: x, y. This helper
 * makes sure all the parts are valid values and assigned defaults when
 * things are missing.
 *
 * @param offset {string} Expect 2 comma separated numbers indicating x and y
 *   values for a geographic offset, denominated in points. e.g. "-2,3".
 * @returns {offsetProps} An object made up of {x, y}
 */
export interface offsetProps {
    x: number;
    y: number;
}
export declare function parseOffset(offset: string): offsetProps;
/**
 * Parse a camera position string into its constituent parts: x, y, z, heading,
 * and tilt. This helper makes sure all the parts are valid values and
 * assigned defaults when things are missing.
 *
 * @param cameraPosition {string} Expect 5 comma separated numbers indicating
 *   x, y, z, heading, and tilt, e.g. "-118.4324,34.1234,9,93.5,86.9".
 * @returns {cameraProps} An object made up of {x, y, z, heading, tilt}
 */
export interface cameraProps {
    x: number;
    y: number;
    z: number;
    heading: number;
    tilt: number;
}
export declare function parseCameraPosition(cameraPosition: string): cameraProps;
/**
 * Helper function to test a string to see if it is a valid ArcGIS Online item ID.
 * @param itemID {string} A proposed ArcGIS Online item ID.
 * @returns {boolean} `true` if the input appears to be a valid item ID, otherwise `false`.
 */
export declare function isValidItemID(itemID: string): boolean;
/**
 * Helper function to test a string to see if it is a valid URL.
 * @param itemID {string} A proposed URL.
 * @returns {boolean} `true` if the input appears to be a valid URL, otherwise `false`.
 */
export declare function isValidURL(url: string): boolean;
/**
 * Verify a proposed search widget position is an expected value.
 * @param position {string} A search position specification.
 * @returns {boolean} `true` when OK, `false` when bad.
 */
export declare function isValidSearchPosition(position: string): boolean;
/**
 * Given a user attribute setting for the UI show setting, return either true to show the UI
 * or false to hide it.
 * @param uiSetting {string} The string to check.
 * @returns {boolean} Either true or false.
 */
export declare function showUI(uiSetting: string): boolean;