/**
 * Constants that match the current implementation
 */
/** Default chart dimensions */
export declare const HOVER_OPACITY_INCREASE = 0.1;
export declare const DEFAULT_AREA_OPACITY = 1;
/** CSS scoping attribute for isolation */
export declare const SCOPING_ATTRIBUTE = "data-stacked-area-chart";
/** CSS class names */
export declare const CSS_CLASSES: {
    readonly CHART_CONTAINER: "stacked-area-chart";
    readonly AREA_PATH: "area-path";
    readonly TOOLTIP: "tooltip";
    readonly AXIS: "axis";
    readonly AXIS_X: "axis-x";
    readonly AXIS_Y: "axis-y";
};
/**
 * Dataset key mapping for multi-dataset format
 * Maps mode + representation to dataset key in MultiDatasetFormat
 */
export declare const DATASET_KEYS: {
    readonly fuel: {
        readonly fractional: "fuel-fractional";
        readonly perCapita: "fuel-perCapita";
        readonly total: "fuel-total";
    };
    readonly sector: {
        readonly fractional: "sectoral-fractional";
        readonly perCapita: "sectoral-perCapita";
        readonly total: "sectoral-total";
    };
};
//# sourceMappingURL=constants.d.ts.map