export type PaletteName = "default" | "pastel" | "vivid" | "oranges" | "tableau";
export declare const getPalette: (paletteName: PaletteName) => string[];
export declare class ColorMap {
    private colorMap;
    palette: PaletteName;
    private lastUsedPaletteColorIndex;
    constructor();
    addKeys(keys: string[], customColorsMap: Map<string, string>): void;
    setPalette(paletteName: PaletteName): void;
    get(datumKey: string, groupKey: string, shareDomain: boolean): string;
    [Symbol.iterator](): IterableIterator<[string, string]>;
}