import { TData, TItem, TNodeTooltipPathHTML, TPathTooltipPathHTML } from './types';
/**
 * This is a function to sum all receive or send per bucket
 * @param data
 */
export declare const sumValueBucket: (items: TItem[]) => Record<string, number>;
export declare const getFromToBucket: (items: TItem[]) => Record<string, any>;
export declare const refineNodes: ({ items, colors }: {
    items: TItem[];
    colors: string[];
}) => {
    id: string;
    color: string;
}[];
export declare const refineData: (data?: TData) => TItem[];
export declare const nodeTooltipHTML: (params: TNodeTooltipPathHTML) => string;
export declare const pathTooltipPathHTML: (params: TPathTooltipPathHTML) => string;