/**
 * Spline Primitives
 *
 * Provides functions to generate common spline shapes programmatically.
 * These functions create SplineMesh objects with predefined curve shapes.
 */
import { SplineMesh, SplineMeshData } from '../geometry/spline_mesh';
export interface SplinePrimitiveOptions {
    length?: number;
    width?: number;
    diameter?: number;
    sides_radial?: number;
    sides_tubular?: number;
    radius?: number;
}
/**
 * Create a segment spline (straight line)
 */
export declare function createSegmentSpline(options?: SplinePrimitiveOptions): SplineMeshData;
/**
 * Create a square spline (rectangular path)
 */
export declare function createSquareSpline(options?: SplinePrimitiveOptions): SplineMeshData;
/**
 * Create a circle spline (circular path)
 * Uses proper Bézier control points for smooth circles
 */
export declare function createCircleSpline(options?: SplinePrimitiveOptions): SplineMeshData;
/**
 * Create a primitive spline shape
 */
export declare function createPrimitiveSpline(shape: 'segment' | 'square' | 'circle', options?: SplinePrimitiveOptions): SplineMeshData;
/**
 * Apply primitive spline data to a SplineMesh
 */
export declare function applyPrimitiveSplineToMesh(spline: SplineMesh, shape: 'segment' | 'square' | 'circle', options?: SplinePrimitiveOptions): void;
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