import { Glyph } from "../terminal";
import { Widget, WidgetConfig } from "./widget";
export declare type RoundMode = "up" | "down" | "default";
export interface BarWidgetState {
    /** The width of the bar */
    width: number;
    /** The minimum value allowed. Default 0. */
    minValue?: number;
    /** The maximum value allowed. */
    maxValue: number;
    /** The current value. Default 0. */
    currentValue?: number;
    /** The mode to use for rounding. up | down | default */
    roundMode?: RoundMode;
    /** An optional glyph to use for each filled square. Default white square. */
    foreGlyph?: Glyph;
    /** An optional glyph to use for each empty square. Default gray. */
    backGlyph?: Glyph;
}
export declare function getRoundedPercent(percent: number, divisor: number, round: RoundMode): number;
/**
 * Represents a bar, like in a loading/progress indicator
 * or hp bar.
 */
export declare class BarWidget extends Widget<BarWidgetState> {
    state: Required<BarWidgetState>;
    constructor(config: WidgetConfig<BarWidgetState>);
    onDraw(): void;
}