import * as THREE from 'three';
import { BaseScatterSystem, BaseScatterConfig, ChunkData } from '../core';
/**
 * Configuration for volume-based scatter
 */
export interface VolumeScatterConfig extends BaseScatterConfig {
    /** Bounding box for the volume */
    bounds: THREE.Box3;
    /** Type of volume shape */
    volumeType?: 'box' | 'sphere' | 'cylinder';
    /** 0 = solid, 1 = shell only */
    hollowness?: number;
    /** Distance from edge where density falls off */
    falloffDistance?: number;
}
/**
 * Scatter system distributing instances within a 3D volume
 */
export declare class VolumeScatterSystem extends BaseScatterSystem {
    private bounds;
    private volumeType;
    private hollowness;
    private falloffDistance;
    private center;
    private radius;
    constructor(config: VolumeScatterConfig);
    protected initializeDistribution(): Promise<void>;
    protected updateChunks(): void;
    protected populateChunk(chunk: ChunkData, centerX: number, centerZ: number): void;
    private isPointInVolume;
    /**
     * Update the volume bounds and regenerate
     */
    updateBounds(bounds: THREE.Box3): void;
}
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