export declare const PERLIN_YWRAPB = 4;
export declare const PERLIN_YWRAP: number;
export declare const PERLIN_ZWRAPB = 8;
export declare const PERLIN_ZWRAP: number;
export declare const PERLIN_AMP_FALLOFF = 0.5;
export declare const PERLIN_AVG_POWER = 1.1;