/** A cell of a stacked column that no band fills. */
export declare const EMPTY_CELL = -1;
export type ColumnWindow = {
    from: number;
    to: number;
};
/** A horizontal bar of `width` cells using eighth-blocks. */
export declare function barText(fraction: number, width: number): string;
/** Top row first. Bands stack from the bottom in the order given. The
 *  column gets the rows its total earns, handed to the bands by largest
 *  remainder, so two bands each worth 0.4 of a row still make one row
 *  between them instead of rounding away separately. */
export declare function stackedColumn(values: number[], max: number, height: number): number[];
export declare function columnWindow(count: number, room: number, focusAt: number | undefined): ColumnWindow;
export declare function ceilingRow(ceiling: number, max: number, height: number): number | undefined;