import { CartesianOrientations } from './interfaces';
import { debounce, merge, unionBy, clamp, flatten, groupBy, camelCase, isEmpty, isEqual, flatMapDeep, kebabCase, fromPairs, some } from 'lodash-es';
import { Numeric } from 'd3-array';
export { debounce, merge, unionBy, clamp, flatten, groupBy, camelCase, isEmpty, isEqual, flatMapDeep, kebabCase, fromPairs, some, };
export declare const clone: any;
export declare const removeArrayDuplicates: any;
export declare function debounceWithD3MousePosition(fn: any, delay: any, holder: any): () => void;
/**
 * Returns default chart options merged with provided options,
 * with special cases for axes.
 * Axes object will not merge the not provided axes.
 *
 * @export
 * @param {AxisChartOptions} defaultOptions Configuration.options[chartType]
 * @param {AxisChartOptions} providedOptions user provided options
 * @returns merged options
 */
export declare function mergeDefaultChartOptions(defaultOptions: any, providedOptions: any): any;
/**************************************
 *  DOM-related operations            *
 *************************************/
/**
 * Get width & height of an element
 *
 * @export
 * @param {any} el element to get dimensions from
 * @returns an object containing the width and height of el
 */
export declare function getDimensions(el: any): {
    width: number;
    height: number;
};
/**
 * Gets elements's x and y translations from transform attribute or returns null
 *
 * @param {HTMLElement} element
 * @returns an object containing the translated x and y values or null
 */
export declare function getTranslationValues(elementRef: HTMLElement): {
    tx: string;
    ty: string;
};
/**************************************
 *  Formatting & calculations         *
 *************************************/
/**
 * Gets x and y coordinates from HTML transform attribute
 *
 * @export
 * @param {any} string the transform attribute string ie. transform(x,y)
 * @returns Returns an object with x and y offsets of the transform
 */
export declare function getTranformOffsets(string: any): {
    x: number;
    y: number;
};
/**
 * Returns string value for height/width using pixels if there isn't a specified unit of measure
 *
 * @param value string or number value to be checked for unit of measure
 */
export declare function formatWidthHeightValues(value: any): any;
/**
 * Capitalizes first letter of a string
 *
 * @export
 * @param {any} string the input string to perform first letter capitalization with
 * @returns The transformed string after first letter is capitalized
 */
export declare function capitalizeFirstLetter(string: any): any;
/**
 * Get the percentage of a datapoint compared to the entire dataset.
 * @export
 * @param {any} item
 * @param {any} fullData
 * @param {string} key
 * @returns The percentage in the form of a number (1 significant digit if necessary)
 */
export declare function convertValueToPercentage(item: any, fullData: any, key?: string): number;
/**
 * Truncate the labels
 * @export
 * @param {any} fullText
 * @param {any} truncationType
 * @param {any} numCharacter
 * @returns Truncated text
 */
export declare function truncateLabel(fullText: any, truncationType: any, numCharacter: any): any;
/**
 * Update legend additional items
 * @param {any} defaultOptions
 * @param {any} providedOptions
 */
export declare function updateLegendAdditionalItems(defaultOptions: any, providedOptions: any): void;
/**************************************
 *  Object/array related checks       *
 *************************************/
/**
 * Compares two arrays to return the difference between two arrays' items.
 *
 * @export
 * @param {any[]} oldArray the array to check for missing items
 * @param {any[]} newArray the array to check for newly added items
 * @returns An object containing items missing (existing in oldArray but not newArray)
 * and items added (existing in newArray but not in oldArray). Object is of the form { missing: [], added: [] }
 */
export declare function arrayDifferences(oldArray: any[], newArray: any[]): {
    missing: any[];
    added: any[];
};
/**
 * Gets the duplicated keys from an array of data
 *
 * @export
 * @param {*} data - array of data
 * @returns A list of the duplicated keys in data
 */
export declare function getDuplicateValues(arr: any): any[];
/**
 * In D3, moves an element to the front of the canvas
 *
 * @export
 * @param {any} element input element to moved in front
 * @returns The function to be used by D3 to push element to the top of the canvas
 */
export declare function moveToFront(element: any): any;
/**
 * Gets a speicified property from within an object.
 *
 * @param object the object containing the property to retrieve
 * @param propPath nested properties used to extract the final property from within the object
 * (i.e "style", "color" would retrieve the color property from within an object that has "color" nested within "style")
 */
export declare const getProperty: (object: any, ...propPath: any[]) => any;
interface SVGPathCoordinates {
    x0: number;
    x1: number;
    y0: number;
    y1: number;
}
export declare const flipSVGCoordinatesBasedOnOrientation: (verticalCoordinates: SVGPathCoordinates, orientation?: CartesianOrientations) => SVGPathCoordinates;
export declare const generateSVGPathString: (verticalCoordinates: SVGPathCoordinates, orientation?: CartesianOrientations) => string;
export declare function flipDomainAndRangeBasedOnOrientation<D, R>(domain: D, range: R, orientation?: CartesianOrientations): [D, R] | [R, D];
export declare const compareNumeric: (a: Numeric, b: Numeric) => boolean;