import type { Point2D, StairNode, StairSegmentNode } from '@pascal-app/core';
type FloorplanLineSegment = {
    start: Point2D;
    end: Point2D;
};
export type FloorplanStairSegmentEntry = {
    centerLine: FloorplanLineSegment | null;
    innerPolygon: Point2D[];
    segment: StairSegmentNode;
    polygon: Point2D[];
    treadBars: Point2D[][];
    treadThickness: number;
};
export type FloorplanStairArrowEntry = {
    head: Point2D[];
    polyline: Point2D[];
};
export type FloorplanStairEntry = {
    arrow: FloorplanStairArrowEntry | null;
    hitPolygons: Point2D[][];
    stair: StairNode;
    segments: FloorplanStairSegmentEntry[];
};
export type StairSegmentTransform = {
    position: [number, number, number];
    rotation: number;
};
export declare function getFloorplanStairSegmentPolygon(stair: StairNode, segment: StairSegmentNode, transform: StairSegmentTransform, includeNosing?: boolean): Point2D[];
export declare function buildFloorplanStairEntry(stair: StairNode, segments: StairSegmentNode[], footprintsOnly?: boolean): FloorplanStairEntry | null;
export {};
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