import { LabelBox, LabelGuard, MeasureText } from '../kernel';
export declare class LabelPlacements implements LabelGuard {
    private readonly measureText;
    private readonly gap;
    private readonly taken;
    constructor(measureText: MeasureText, gap?: number);
    /** Takes the box for the label when it is free; false — the spot is occupied. */
    admits(box: LabelBox): boolean;
}