import { Insets, LayoutRect } from '../kernel';
/** Box in chart coordinates. */
export interface Bounds {
    left: number;
    right: number;
    top: number;
    bottom: number;
}
export declare const NO_OVERFLOW: Insets;
/**
 * Box a text node covers. The glyph row is taken as one font size tall —
 * a hair more than the letters really are, which is the safe side to err on.
 * `rotation` turns the text about its anchor, degrees clockwise, as the scene
 * draws it; the box is then the upright one the turned row fits into.
 */
export declare function textBounds(x: number, y: number, width: number, fontSize: number, align: CanvasTextAlign, baseline: CanvasTextBaseline, rotation?: number): Bounds;
/** How far the box sticks out of the rect, side by side (0 where it fits). */
export declare function overflowOutside(bounds: Bounds, rect: LayoutRect): Insets;
/** Side-by-side maximum: two demands for outside room merge into one. */
export declare function maxOverflow(a: Insets, b: Insets): Insets;