import { DrawingContextInterface, Rect } from '@obliczeniowo/elementary/drawing';
import { PieColorsFu, ValueKeyFormat } from '../types/types';
export declare class FlatPieDiagram {
    dc: DrawingContextInterface;
    areaRect: Rect;
    keyValues: {
        [key: string]: number;
    };
    dr: number;
    ray: number;
    valueKeyFormat: ValueKeyFormat;
    colors: PieColorsFu;
    constructor(dc: DrawingContextInterface, area: Rect);
    sum(): number;
    minMax(): {
        min: number;
        max: number;
    };
    draw(dc?: DrawingContextInterface): void;
}