import { GridComparatorFn } from '@mui/x-data-grid-pro';
import { DetailedCategoryWithTransactions, MonthlyCategoryTotals } from '../types';
type DataPoint = {
    x: Date;
    y: number;
};
type Dataset = DataPoint[];
export interface StackedLineChartData {
    top_level_category_guid: string;
    category_guid: string;
    category_name: string;
    category_color: string;
    dataset: Dataset;
}
export declare const getStackedLineChartData: (totals: MonthlyCategoryTotals[], start: Date, end: Date) => StackedLineChartData[];
export declare const amountComparator: GridComparatorFn<string | number>;
export declare const categoryComparator: GridComparatorFn<string>;
export declare const buildCategoryDetailsChartData: (data: DetailedCategoryWithTransactions | null, monthsCount: number) => {
    monthlyAmounts: {
        x: string;
        y: number;
    }[];
    tooltipLabels: {
        label: string;
        amount: number;
        header: string;
    }[][];
};
export declare const filterAndSortCategoriesWithTransactions: (categories: DetailedCategoryWithTransactions[]) => DetailedCategoryWithTransactions[];
export {};