import { Interval } from '../Interval.js';
import type { Random } from '../random/index.js';
import { NoiseStack } from './NoiseStack.js';
export declare const NoiseNormalizations: readonly ["disabled", "enabled", "legacy"];
export declare type NoiseNormalization = typeof NoiseNormalizations[number];
export declare type OctaveInfo = {
    index: number;
    frequency: number;
    amplitude: number;
};
export declare class NormalNoise {
    readonly baseAmplitude: number;
    readonly baseOctave: number;
    readonly octaveCount: number;
    readonly normalize: NoiseNormalization;
    readonly amplitudeModifiers: number[];
    private static readonly INPUT_FACTOR;
    private static readonly TARGET_DEVIATION;
    readonly octaves: OctaveInfo[];
    readonly normalizationFactor: number;
    readonly range: Interval;
    constructor(baseAmplitude: number, baseOctave: number, octaveCount: number, normalize: NoiseNormalization, amplitudeModifiers: number[]);
    create(random: Random): NoiseStack;
    createForLegacyNetherBiome(random: Random): NoiseStack;
    private static createLegacyNoiseLayers;
    private static computeParityNormalizationFactor;
    private static computeNormalizationFactor;
    private static buildOctaves;
    static fromJson(obj: unknown): NormalNoise;
}
//# sourceMappingURL=NormalNoise.d.ts.map