import { AfterViewInit, OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
import * as i0 from "@angular/core";
/**
 * Single line series (e.g. "Turnover").
 */
export interface UcLineChartDataset {
    label: string;
    data: number[];
    color?: string;
    fill?: boolean;
}
/**
 * Self-contained line chart built directly on top of chart.js (no ng2-charts,
 * no NgModule registration required by the consuming app).
 */
export declare class UcLineChartComponent implements AfterViewInit, OnChanges, OnDestroy {
    labels: string[];
    datasets: UcLineChartDataset[];
    height: number;
    showLegend: boolean;
    yAxisLabel: string;
    /** 'currency' renders values as ₹ Lakh/Crore; 'number' shows the raw value. */
    valueFormat: 'currency' | 'number';
    private canvasRef?;
    private chart;
    get hasData(): boolean;
    ngAfterViewInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    private formatValue;
    private buildDatasets;
    private renderChart;
    private updateChart;
    static ɵfac: i0.ɵɵFactoryDeclaration<UcLineChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<UcLineChartComponent, "uc-line-chart", never, { "labels": { "alias": "labels"; "required": false; }; "datasets": { "alias": "datasets"; "required": false; }; "height": { "alias": "height"; "required": false; }; "showLegend": { "alias": "showLegend"; "required": false; }; "yAxisLabel": { "alias": "yAxisLabel"; "required": false; }; "valueFormat": { "alias": "valueFormat"; "required": false; }; }, {}, never, never, true, never>;
}