import { ChartBase } from "../chart-base/chart-base.js";
import type { ChartVerticalMarker } from "../chart-base/chart-types.js";
declare class ArsLineChart extends ChartBase {
    #private;
    static get observedAttributes(): string[];
    attributeChangedCallback(name: string, oldValue: string | null, newValue: string | null): void;
    get data(): number[];
    set data(value: number[]);
    /** Flat Float64Array fast path — zero-copy from WASM.
     *  When set, takes priority over the object-based `data` property. */
    get dataBuffer(): Float64Array | null;
    set dataBuffer(value: Float64Array | null);
    get markers(): ChartVerticalMarker[];
    set markers(value: ChartVerticalMarker[]);
    /** Fixed Y domain [min, max] for aligning overlaid charts to the same scale. */
    get yDomain(): [number, number] | null;
    set yDomain(value: [number, number] | null);
    get slotAlign(): boolean;
    set slotAlign(value: boolean);
    /** Override padding to match candlestick chart when slot-aligned. */
    getPadding(): import("../chart-base/chart-types.js").ChartPadding;
    paint(): void;
}
export { ArsLineChart, ArsLineChart as default };