import { Box3, BufferAttribute, BufferGeometry, Color, Float32BufferAttribute, Matrix3, Matrix4, Object3D, Sphere, Vector2, Vector3 } from "three";
export interface VertexNormals {
    a: Vector3;
    b: Vector3;
    c: Vector3;
}
export interface Group {
    start: number;
    materialIndex?: number;
    count: number;
}
export interface MorphTarget {
    name: string;
    vertices: Array<Vector3>;
    normals: Array<Vector3>;
}
export interface MorphNormal {
    vertexNormals: VertexNormals[];
    faceNormals: Array<Vector3>;
    name: string;
}
export interface ThreeFactory {
    newVector2(x?: number, y?: number): Vector2;
    newVector3(x?: number, y?: number, z?: number): Vector3;
    newMatrix3(): Matrix3;
    newMatrix4(): Matrix4;
    newObject3D(): Object3D;
    newBox3(): Box3;
    newSphere(): Sphere;
    newBufferGeometry(): BufferGeometry;
    generateUUID(): string;
    newFloat32BufferAttribute(array: number | Iterable<number> | ArrayLike<number> | ArrayBuffer, itemSize: number, normalized?: boolean): Float32BufferAttribute;
    newColor(): Color;
    newBufferAttribute(array: ArrayLike<number>, itemSize: number, normalized?: boolean): BufferAttribute;
}