import type { Rect } from '../layout';
import type { DecorationPoint, DecorationSize } from './types';
export declare const has_explicit_position: (style?: string | null) => boolean;
export declare const measured_footprint: (el: HTMLElement | null | undefined, fallback: DecorationSize) => DecorationSize;
export declare const clip_segment_to_unit_square: (start: DecorationPoint, end: DecorationPoint) => [DecorationPoint, DecorationPoint] | null;
export declare function build_obstacles_norm(series: {
    points: DecorationPoint[];
    draws_line?: boolean;
}[], base_w: number, base_h: number): DecorationPoint[];
export declare function clip_bar(vertical: boolean, cross: number, span_start: number, span_end: number): {
    points: DecorationPoint[];
    draws_line: boolean;
} | null;
export declare const project_obstacles: (obstacles_norm: readonly DecorationPoint[], plot_bounds: Rect) => DecorationPoint[];