/**
 * Boolean operations on solids using OpenCASCADE WASM.
 * All operations are async because WASM loading is async.
 */
export type BooleanOperation = "union" | "difference" | "intersection";
export type ShapeDescriptor = {
    type: "box";
    dx: number;
    dy: number;
    dz: number;
    origin?: [number, number, number];
} | {
    type: "cylinder";
    radius: number;
    height: number;
    origin?: [number, number, number];
    axis?: [number, number, number];
} | {
    type: "sphere";
    radius: number;
    center?: [number, number, number];
};
export interface BooleanMeshResult {
    vertices: Float32Array;
    indices: Uint32Array;
    normals: Float32Array;
}
/**
 * Perform a boolean operation between two shape descriptors.
 */
export declare function booleanOperation(shapeA: ShapeDescriptor, shapeB: ShapeDescriptor, operation: BooleanOperation, meshDeflection?: number): Promise<BooleanMeshResult>;