/**
 * Ecological Pattern Provider
 *
 * Manages ecological patterns and zone-based tree type selection.
 * Patterns define how tree types are distributed across the scene
 * based on real-world forest biomes.
 */
import type { TreeType, EcologicalPattern, EcologicalZone } from "../../domain/models/tree-silhouette-models.js";
export interface IEcologicalPatternProvider {
    /** Get the current pattern */
    getCurrentPattern(): EcologicalPattern;
    /** Set the ecological pattern by ID */
    setEcologicalPattern(patternId: string): void;
    /** Get the current ecological pattern ID */
    getEcologicalPatternId(): string;
    /** Get the current ecological pattern details */
    getEcologicalPattern(): EcologicalPattern;
    /** Get all available ecological patterns */
    getAvailablePatterns(): EcologicalPattern[];
    /** Set a random ecological pattern (excluding "random" itself) */
    setRandomEcologicalPattern(): string;
    /** Find which zone a position falls into for the current pattern */
    getZoneForPosition(normalizedX: number): EcologicalZone | null;
    /**
     * Pick a tree type based on position and current ecological pattern.
     * Respects visibility settings and zone weights.
     * @param normalizedX - Position as 0-1 normalized x coordinate
     * @param enabledTypes - List of currently visible/enabled tree types
     * @param random - Random function to use (for seeded randomness)
     */
    pickTypeForPosition(normalizedX: number, enabledTypes: TreeType[], random: () => number): TreeType;
}
export declare function createEcologicalPatternProvider(): IEcologicalPatternProvider;
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