Interface DrawTree

interface DrawTree {
    ascii: EnrichedDraw;
    bullets: EnrichedDraw;
    doubleSpaceThin: EnrichedDraw;
    number: UnlinesDraw<number>;
    rounded: EnrichedDraw;
    space: EnrichedDraw;
    thick: EnrichedDraw;
    thin: EnrichedDraw;
    unix: EnrichedDraw;
    unixRounded: EnrichedDraw;
    unlines: BaseDraw<string, string>;
    (self: Tree<string>): [string, ...string[]];
}