/** @packageDocumentation
 * @module Polyface
 */
import { GrowableXYZArray } from "../../geometry3d/GrowableXYZArray";
import { AnnounceDrapePanel } from "../PolyfaceQuery";
import { Polyface } from "../Polyface";
export declare class SweepLineStringToFacetContext {
    private _spacePoints;
    private _spacePointsRange;
    private _numSpacePoints;
    private constructor();
    static create(xyz: GrowableXYZArray): SweepLineStringToFacetContext | undefined;
    private _segmentPoint0;
    private _segmentPoint1;
    private _localSegmentPoint0;
    private _localSegmentPoint1;
    private _clipFractions;
    private _localFrame;
    private _polygonRange;
    /** process a single polygon.
     * @returns number crudely indicating how much work was done.
     */
    projectToPolygon(polygon: GrowableXYZArray, announce: AnnounceDrapePanel, polyface: Polyface, readIndex: number): number;
}
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