import { LitElement } from "lit";
declare class SLSP500Benchmark extends LitElement {
    title: string;
    portfolioData: any[];
    sp500Data: any[];
    private chart;
    firstUpdated(): void;
    updated(changedProperties: Map<string | number | symbol, unknown>): void;
    renderChart(): void;
    static styles: import("lit").CSSResult[];
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        "sl-sp500-benchmark": SLSP500Benchmark;
    }
}
export {};