import 'element-behaviors';
import { TorusGeometry } from 'three/src/geometries/TorusGeometry.js';
import { GeometryBehavior } from './GeometryBehavior.js';
export type TorusGeometryBehaviorAttributes = 'tubeThickness' | 'radialSegments' | 'tubularSegments' | 'arc';
/**
 * @class TorusGeometryBehavior
 *
 * Creates a donut-shaped geometry for [`<lume-mesh>`](../../../meshes/Mesh)
 * elements. This is the geometry behavior of
 * [`<lume-torus>`](../../../meshes/Torus) elements by default.
 *
 * The outer diameter of the donut is determined by the element's
 * [`calculatedSize.x`](../../../core/Sizeable#calculatedsize). The inner diameter is
 * the element's `calculatedSize.x` minus the donut's
 * [`tubeThickness`](#tubethickness).
 *
 * @extends GeometryBehavior
 */
export declare class TorusGeometryBehavior extends GeometryBehavior {
    /**
     * @property {number} tubeThickness -
     *
     * `attribute`
     *
     * Default: `0.1`
     *
     * The thickness of the tube of the donut, as a fraction of the element's
     * `x` size (as a fraction of the overall diameter also determined by the
     * element's `x` size). The default `0.1` value means the donut's tube
     * thickness is 10% of the overall diameter.
     */
    tubeThickness: number;
    /**
     * @property {number} radialSegments -
     *
     * `attribute`
     *
     * Default: `16`
     *
     * The number of segments (or edges) of the circular cross section of the
     * donut tube.
     */
    radialSegments: number;
    /**
     * @property {number} tubularSegments -
     *
     * `attribute`
     *
     * Default: `32`
     *
     * The number of tube sections around the donut.
     */
    tubularSegments: number;
    /**
     * @property {number} arc -
     *
     * `attribute`
     *
     * Default: `360`
     *
     * The total angle in degrees around which the donut is constructed. The
     * default value of `360` means the tubular segments go all the way around
     * to form a whole donut. A value of `180` means we get a half of a donut
     * shape.
     */
    arc: number;
    _createComponent(): TorusGeometry;
}
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