/**
 * Friday P&L Chart Widget - Layer Financial Inspired Design
 *
 * Professional profit & loss chart showing 12-month trends
 */
import { CSSResultGroup } from 'lit';
import { BaseWidget } from '../core/base-widget.js';
export declare class PnLChartWidget extends BaseWidget {
    chartHeader: string;
    showDemo: boolean;
    chartColors: string[];
    private chartData;
    private hoveredDataPoint;
    static get styles(): CSSResultGroup;
    protected loadData(): Promise<void>;
    private loadDemoData;
    private createPath;
    private handlePointHover;
    private handlePointLeave;
    private renderChart;
    private renderTooltip;
    render(): import("lit-html").TemplateResult<1>;
}
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