import { LitElement } from 'lit';
export declare class KpiTrendChart extends LitElement {
    data: {
        date: string;
        value: number;
        color?: string;
    }[];
    valueKey: string;
    dateKey: string;
    width: number;
    height: number;
    lineColor: string;
    strokeWidth: number;
    showPoints: boolean;
    pointRadius: number;
    private chartWidth;
    private chartHeight;
    private resizeObserver?;
    static styles: import("lit").CSSResult;
    render(): import("lit-html").TemplateResult<1>;
    connectedCallback(): void;
    disconnectedCallback(): void;
    updated(): void;
    drawTrendChart(): void;
}