import { BlockState } from '../core/index.js';
import type { PositionalRandom } from '../math/index.js';
import { DensityFunction } from './DensityFunction.js';
import { DensityVolume } from './DensityVolume.js';
export interface AquiferConfig {
    barrier: DensityFunction;
    fluidLevelFloodedness: DensityFunction;
    fluidLevelSpread: DensityFunction;
    lava: DensityFunction;
    exclusion: DensityFunction;
    surfaceLevel: DensityFunction;
}
export declare namespace AquiferConfig {
    function fromJson(obj: unknown): AquiferConfig;
    function mapAll(config: AquiferConfig, visitor: DensityFunction.Visitor): AquiferConfig;
}
export declare class FluidStatus {
    readonly level: number;
    readonly type: BlockState;
    constructor(level: number, type: BlockState);
    at(level: number): BlockState;
}
export declare type FluidPicker = (x: number, y: number, z: number) => FluidStatus;
export interface Aquifer {
    computeSubstance(blockX: number, blockY: number, blockZ: number, density: number): BlockState | undefined;
}
export declare namespace Aquifer {
    function createDisabled(fluidPicker: FluidPicker): Aquifer;
}
export declare class NoiseAquifer implements Aquifer {
    private readonly config;
    private readonly random;
    private readonly volume;
    private readonly globalFluidPicker;
    private static readonly X_SPACING;
    private static readonly Y_SPACING;
    private static readonly Z_SPACING;
    private static readonly SURFACE_SAMPLING;
    private readonly minGridX;
    private readonly minGridY;
    private readonly minGridZ;
    private readonly maxGridX;
    private readonly maxGridY;
    private readonly maxGridZ;
    private readonly gridSizeX;
    private readonly gridSizeY;
    private readonly gridSizeZ;
    private readonly aquiferCache;
    private readonly aquiferLocationCache;
    private readonly surfaceLevelCache;
    private readonly skipSamplingAboveY;
    constructor(config: AquiferConfig, random: PositionalRandom, volume: DensityVolume, globalFluidPicker: FluidPicker);
    computeSubstance(blockX: number, blockY: number, blockZ: number, density: number): BlockState | undefined;
    private static similarity;
    private calculatePressure;
    private getAquiferStatus;
    private computeFluid;
    private surfaceLevel;
    private maxSurfaceLevel;
    private adjustSurfaceLevel;
    private computeSurfaceLevel;
    private computeRandomizedFluidSurfaceLevel;
    private computeFluidType;
    private getIndex;
    private gridX;
    private fromGridX;
    private gridY;
    private fromGridY;
    private gridZ;
    private fromGridZ;
}
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