export declare const resolve_legend_visibility: (show_legend: boolean | undefined, legend: unknown, entry_count: number, auto_default?: boolean) => boolean;
export declare const LEGEND_VISIBILITY_MODES: readonly ["auto", "always", "never"];
export type LegendVisibilityMode = (typeof LEGEND_VISIBILITY_MODES)[number];
export declare const legend_mode_to_prop: (mode: LegendVisibilityMode) => boolean | undefined;
type VisSeries = {
    id?: string | number;
    label?: string | null;
    unit?: string;
    y_axis?: string;
    visible?: boolean;
    x?: unknown;
    y?: unknown;
    values?: unknown;
};
type SeriesAxisAccessor<Series extends VisSeries> = (series: Series, series_idx: number) => string | undefined;
type SeriesSource = [string, string, string, ...unknown[]];
type SeriesVisibilitySnapshot = {
    visibility: boolean[];
    source: SeriesSource[];
};
export declare function have_compatible_units(series1: VisSeries, series2: VisSeries): boolean;
export declare function toggle_series_visibility<Series extends VisSeries>(series: Series[], series_idx: number, get_axis?: SeriesAxisAccessor<Series>): Series[];
export declare function toggle_group_visibility<Series extends VisSeries>(series: Series[], series_indices: number[]): Series[];
export declare function handle_legend_double_click<Series extends VisSeries>(series: Series[], idx: number, prev_snapshot: SeriesVisibilitySnapshot | null): {
    series: Series[];
    prev_visibility: SeriesVisibilitySnapshot | null;
};
export declare function create_legend_visibility<Series extends VisSeries>(get_series: () => Series[], set_series: (series: Series[]) => void, get_axis?: SeriesAxisAccessor<Series>): {
    resolve: (incoming: Series[]) => Series[];
    on_toggle: (series_idx: number) => void;
    on_group_toggle: (group_name: string, series_indices: number[]) => void;
    on_double_click: (series_idx: number) => void;
};
export {};