import type { UnitAddress, UnitRange, UnitLiteral, ExpressionUnit } from '../../../treb-parser/src/index';
import type { RelationshipMap } from '../relationship';
export interface ChartOptions {
    type: 'donut' | 'column' | 'bar' | 'scatter' | 'scatter2' | 'bubble';
    title?: UnitLiteral | UnitAddress;
    data: UnitRange[];
    labels?: UnitRange;
    labels2?: UnitRange[];
    labels3?: UnitRange[];
    names?: ExpressionUnit[];
    smooth?: boolean;
}
export declare class Chart {
    options: ChartOptions;
    index: number;
    static next_chart_index: number;
    relationships: RelationshipMap;
    constructor(options: ChartOptions, index?: number);
    /** set chart title, either static or reference to cell */
    UpdateChartTitle(chartnode: any): void;
    toJSON(): any;
    CreateBubbleChart(): any;
    CreateScatterChart(): any;
    CreateDonutChart(): any;
    CreateBarChart(): any;
}