import type { MultiFn1O } from "@thi.ng/defmulti";
import type { CubicOpts, IShape, IShape2, IShape3 } from "./api.js";
import { Cubic } from "./api/cubic.js";
import { Cubic3 } from "./api/cubic3.js";
export interface AsCubicOpts extends CubicOpts {
    attribs: boolean;
}
/**
 * Function overrides for {@link asCubic}.
 */
export type AsCubicFn = {
    <T extends IShape2>(shape: T, opts?: Partial<AsCubicOpts>): Cubic[];
    <T extends IShape3>(shape: T, opts?: Partial<AsCubicOpts>): Cubic3[];
} & MultiFn1O<IShape, Partial<AsCubicOpts>, (Cubic | Cubic3)[]>;
/**
 * Converts given shape boundary into an array of {@link Cubic} or
 * {@link Cubic3} curves. For some shapes (see below) the conversion supports
 * optionally provided {@link CubicOpts}.
 *
 * @remarks
 * Currently implemented for:
 *
 * - {@link Arc}
 * - {@link BPatch}
 * - {@link Circle}
 * - {@link ComplexPolygon}
 * - {@link Cubic}
 * - {@link Cubic3}
 * - {@link Ellipse}
 * - {@link Group}
 * - {@link Group3}
 * - {@link Line}
 * - {@link Line3}
 * - {@link Path}
 * - {@link Path3}
 * - {@link Polygon}
 * - {@link Polygon3}
 * - {@link Polyline}
 * - {@link Polyline3}
 * - {@link Quad}
 * - {@link Quad3}
 * - {@link Quadratic}
 * - {@link Quadratic3}
 * - {@link Rect}
 * - {@link Triangle}
 * - {@link Triangle3}
 *
 * Shape types supporting custom conversion options (see
 * [@thi.ng/geom-splines](https://github.com/thi-ng/umbrella/tree/develop/packages/geom-splines#cubic-curve-conversion-from-polygons--polylines)
 * for more details):
 *
 * - {@link Group} (only used for eligible children)
 * - {@link Group3} (only used for eligible children)
 * - {@link ComplexPolygon}
 * - {@link Polygon}
 * - {@link Polygon3} (no support for mode: "break" or "hobby")
 * - {@link Polyline}
 * - {@link Polyline3} (no support for mode: "break" or "hobby")
 * - {@link Quad}
 * - {@link Quad3} (no support for mode: "break" or "hobby")
 * - {@link Rect}
 * - {@link Triangle}
 * - {@link Triangle3} (no support for mode: "break" or "hobby")
 *
 * @param shape
 * @param opts
 */
export declare const asCubic: AsCubicFn;
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