import { VegaChart } from "./chart_base";
import { type VegaLiteSpec } from "./specs";
import type { ChartTheme } from "./theme";
import type { LineChartClickEvent, LineChartConfig, SeriesPoint } from "./types";
type ClickListener = (e: LineChartClickEvent) => void;
/**
 * Streaming line chart. Holds one `{x[], y[]}` buffer per series and pushes
 * cheap `view.data("table", rows)` updates on each mutation (no re-embed). The
 * streaming method surface (`appendPoint` / `appendPoints` / `setSeries` /
 * `setWindow`) is preserved verbatim from the former plotly build so consumers
 * like molexp's metric panes keep working unchanged.
 */
export declare class LineChart extends VegaChart {
    private config;
    private readonly seriesIds;
    private readonly buffers;
    private readonly seriesConfigs;
    private readonly clickListeners;
    private windowSize;
    constructor(container: HTMLElement, config: LineChartConfig);
    setSeries(id: string, points: SeriesPoint[]): Promise<void>;
    appendPoint(id: string, point: SeriesPoint): Promise<void>;
    appendPoints(id: string, points: SeriesPoint[]): Promise<void>;
    clear(id?: string): Promise<void>;
    setWindow(maxPoints: number | null): Promise<void>;
    setAxisRange(axis: "x" | "y", range: [number, number] | "auto"): Promise<void>;
    onPointClick(cb: ClickListener): () => void;
    private trim;
    private rows;
    protected datasets(): Record<string, unknown[]>;
    protected buildSpec(theme: ChartTheme, sizeHint: {
        width: number;
        height: number;
    }): VegaLiteSpec;
    protected onDatum(datum: Record<string, unknown>): void;
}
export {};