declare module 'asciitable.js' {
    export interface Options {
        row?: Row;
        cell?: Cell;
        hr?: Hr;
    }
    export interface Cell {
        paddingLeft?: string;
        paddingRight?: string;
        defaultAlignDir?: number;
    }
    export interface Hr {
        str?: string;
        colSeparator?: string;
    }
    export interface Row {
        paddingLeft?: string;
        paddingRight?: string;
        colSeparator?: string;
        lineBreak?: string;
    }

    export default function asciitable(matrix: Array<string[] | null>, options?: Options): string
}