import type { Interval } from '../Interval.js';
import type { Random } from '../random/index.js';
import type { Noise } from './NoiseStack.js';
export declare abstract class GradientNoise implements Noise {
    static readonly GRADIENT: number[][];
    readonly perms: number[];
    readonly offsetX: number;
    readonly offsetY: number;
    readonly offsetZ: number;
    constructor(random: Random, offsetScale?: number);
    abstract range(): Interval;
    abstract get2D(x: number, y: number): number;
    abstract get3D(x: number, y: number, z: number): number;
    permute(x: number): number;
    static wrap(x: number): number;
    static gradDot(hash: number, x: number, y: number, z: number): number;
}
//# sourceMappingURL=GradientNoise.d.ts.map