import type { Vector4, Vector4Tuple } from "three/src/Three";
export type ReadonlyVector4 = {
    /**
     * @default 0
     */
    readonly x: number;
    /**
     * @default 0
     */
    readonly y: number;
    /**
     * @default 0
     */
    readonly z: number;
    /**
     * @default 0
     */
    readonly w: number;
    readonly width: number;
    readonly height: number;
    readonly isVector4: true;
    getComponent(index: number): number;
    /**
     * Clones this vector.
     */
    clone(): Vector4;
    /**
     * Computes dot product of this vector and v.
     */
    dot(v: ReadonlyVector4): number;
    /**
     * Computes squared length of this vector.
     */
    lengthSq(): number;
    /**
     * Computes length of this vector.
     */
    length(): number;
    /**
     * Computes the Manhattan length of this vector.
     *
     * see {@link http://en.wikipedia.org/wiki/Taxicab_geometry|Wikipedia: Taxicab Geometry}
     */
    manhattanLength(): number;
    /**
     * Checks for strict equality of this vector and v.
     */
    equals(v: ReadonlyVector4): boolean;
    /**
     * Returns an array [x, y, z, w], or copies x, y, z and w into the provided array.
     * @param array (optional) array to store the vector to. If this is not provided, a new array will be created.
     * @param offset (optional) optional offset into the array.
     * @return The created or provided array.
     */
    toArray(array?: number[], offset?: number): number[];
    toArray(array?: Vector4Tuple, offset?: 0): Vector4Tuple;
    /**
     * Copies x, y, z and w into the provided array-like.
     * @param array array-like to store the vector to.
     * @param offset (optional) optional offset into the array-like.
     * @return The provided array-like.
     */
    toArray(array: ArrayLike<number>, offset?: number): ArrayLike<number>;
};