import Mesh from '../Mesh';
import ClayNode from '../Node';
/**
 * @namespace clay.util.mesh
 */
/**
 * Merge multiple meshes to one.
 * Note that these meshes must have the same material
 */
export declare function merge(meshes: Mesh[], applyWorldTransform?: boolean): Mesh<import("../Material").default<import("../Shader").Shader<import("../Shader").VertexShader<any, any, any, any, never>, import("../Shader").FragmentShader<any, any, any>>>> | undefined;
/**
 * Split mesh into sub meshes, each mesh will have maxJointNumber joints.
 * @param {clay.Mesh} mesh
 * @param {number} maxJointNumber
 * @param {boolean} inPlace
 * @return {clay.Node}
 *
 * @memberOf clay.util.mesh
 */
export declare function splitByJoints(mesh: Mesh, maxJointNumber: number, inPlace?: boolean): ClayNode | undefined;