/**
 * ErosionSim.ts
 *
 * Terrain erosion: hydraulic erosion (raindrop simulation),
 * thermal erosion, sediment transport, and iteration control.
 *
 * @module terrain
 */
export interface ErosionConfig {
    iterations: number;
    rainAmount: number;
    solubility: number;
    evaporationRate: number;
    depositionRate: number;
    gravity: number;
    thermalAngle: number;
    thermalRate: number;
    seed: number;
}
export interface ErosionResult {
    totalEroded: number;
    totalDeposited: number;
    iterations: number;
    maxDepthChange: number;
}
export declare class ErosionSim {
    private config;
    constructor(config?: Partial<ErosionConfig>);
    hydraulicErode(heightmap: Float32Array, width: number, height: number): ErosionResult;
    thermalErode(heightmap: Float32Array, width: number, height: number, iterations?: number): ErosionResult;
    setConfig(config: Partial<ErosionConfig>): void;
    getConfig(): ErosionConfig;
}
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