/**
 * Foliage Noise Generator
 *
 * Generates organic, noise-based foliage edges for tree silhouettes.
 * Creates the "fluffy" look of tree canopies and foliage clusters
 * using multiple octaves of noise for natural variation.
 */
export interface FoliageEdgeConfig {
    noiseScale: number;
    noiseAmplitude: number;
    octaves: number;
    bumpiness: number;
    irregularity: number;
    density: number;
    clumpiness: number;
    leafScale: number;
}
export interface FoliageCluster {
    x: number;
    y: number;
    radius: number;
    edgePoints: Array<{
        x: number;
        y: number;
    }>;
    density: number;
}
export declare class FoliageNoiseGenerator {
    private config;
    private noise;
    private noiseOffset;
    constructor(config?: Partial<FoliageEdgeConfig>, seed?: number);
    /**
     * Generate edge points around a circular foliage cluster
     */
    generateCircularFoliage(centerX: number, centerY: number, baseRadius: number, pointCount?: number): FoliageCluster;
    /**
     * Generate edge points around an elliptical foliage area
     */
    generateEllipticalFoliage(centerX: number, centerY: number, radiusX: number, radiusY: number, pointCount?: number): FoliageCluster;
    /**
     * Generate a tree crown silhouette with typical crown shape
     * (wider at bottom, narrower at top for deciduous trees)
     */
    generateCrownSilhouette(centerX: number, baseY: number, width: number, height: number, crownShape?: "round" | "conical" | "spreading" | "columnar", pointCount?: number): Array<{
        x: number;
        y: number;
    }>;
    /**
     * Generate multiple small foliage clusters for sparse canopy
     */
    generateFoliageClusters(centerX: number, centerY: number, spreadX: number, spreadY: number, clusterCount: number, minRadius: number, maxRadius: number): FoliageCluster[];
    /**
     * Sample a single noise value for edge displacement
     * Useful for applying to pre-existing geometry
     */
    sampleEdgeNoise(x: number, y: number): number;
    /**
     * Apply foliage noise to an existing set of points
     * Useful for adding organic edges to simple shapes
     */
    applyNoiseToPoints(points: Array<{
        x: number;
        y: number;
    }>, centerX: number, centerY: number): Array<{
        x: number;
        y: number;
    }>;
}
/**
 * Create foliage configs for different tree types
 */
export declare const FOLIAGE_PRESETS: Record<string, Partial<FoliageEdgeConfig>>;
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