import { InternalSliceData } from '../types/internal/pie-chart.js';
/**
 * Calculates what's the percentage of a value in relation to a total.
 * @param value - The value that will be used to calculate it's percentage.
 * @param totalValue - The total value that would correspond to a 100%.
 * @returns The value in percentage format of the supplied flat value.
 */
export declare const getSlicePercentage: (sliceValue: number, allSlicesValue: number) => number;
/**
 * Calculates the relative value of each slice in %.
 * @param slices - Array of an internal slice data
 * @returns - Same sorted object with its relative value property.
 */
export declare const getSlicesWithRelativeValues: (slices: InternalSliceData[]) => InternalSliceData[];