import { Point } from './point';
/**
 * Represents a circular arc defined by either:
 * 1. Start point, end point, and bulge factor
 * 2. Center point, radius, start octant, and number of octants to span
 *
 * For bulge arcs:
 * - bulge = (2 * H / D) where H is height from midpoint and D is chord length
 * - bulge = 1 represents a semicircle (180 degrees)
 * - bulge = 0 represents a straight line
 * - |bulge| should not exceed 1
 */
export declare class Arc {
    readonly start: Point;
    readonly end: Point;
    private readonly bulge;
    readonly center: Point;
    readonly radius: number;
    readonly startAngle: number;
    readonly endAngle: number;
    readonly isClockwise: boolean;
    /**
     * Creates a bulge-defined arc
     * @param start Start point
     * @param end End point
     * @param bulge Bulge factor (-1 to 1, where 1 is a semicircle)
     */
    static fromBulge(start: Point, end: Point, bulge: number): Arc;
    /**
     * Creates an octant-defined arc
     * @param center Center point of the arc
     * @param radius Radius of the arc
     * @param startOctant Starting octant (0-7)
     * @param octantCount Number of octants to span (0-8, where 0 means 8 octants)
     * @param isClockwise Whether the arc goes clockwise
     */
    static fromOctant(center: Point, radius: number, startOctant: number, octantCount: number, isClockwise: boolean): Arc;
    private constructor();
    /**
     * Tessellates the arc into a series of points that approximate the arc.
     * @param circleSpan The angle span between tessellated points (default Math.PI / 18)
     * @returns Array of points representing the tessellated arc
     */
    tessellate(circleSpan?: number): Point[];
}