import { IFormattedHeadlineDataItem, IHeadlineDataItem } from "../../../../interfaces/Headlines";
import { IChartConfig } from "../../../../interfaces/Config";
/**
 * Format {HeadlineData} value.
 *
 * The method processes the provided item and returns object with value that can be rendered as it is and 'cssStyle'
 * object that can be passed into the react element 'style' attribute.
 *
 * @param item
 * @returns {{cssStyle: {color, backgroundColor}, value: string, isValueEmpty: boolean}}
 */
export declare function formatItemValue(item: IHeadlineDataItem, config?: IChartConfig): IFormattedHeadlineDataItem;
/**
 * The method processes the provided IHeadlineDataItem and returns object with formatted value and isValueEmpty flag.
 *
 * Formatted value conditions:
 *  - value is rounded to Integer
 *  - shows '>999%' when value is above the limit
 *  - shows '<-999%' when value is below the limit
 *  - otherwise shows 'value%'
 *
 * @param item
 * @returns {{value: string, isValueEmpty: boolean}}
 */
export declare function formatPercentageValue(item: IHeadlineDataItem): IFormattedHeadlineDataItem;