import type { Vector3 } from '@holoscript/core';
/**
 * LSystemGenerator.ts
 *
 * Lindenmayer system (L-system) for procedural vegetation.
 * Supports stochastic rules, branching, and 3D turtle graphics.
 *
 * @module procedural
 */
export type IVector3 = Vector3;
export interface LSystemRule {
    symbol: string;
    replacement: string;
    probability?: number;
}
export interface LSystemConfig {
    axiom: string;
    rules: LSystemRule[];
    angle: number;
    length: number;
    lengthScale: number;
    iterations: number;
}
export interface TurtleState {
    position: IVector3;
    direction: IVector3;
    up: IVector3;
    length: number;
    depth: number;
}
export interface LSystemSegment {
    start: IVector3;
    end: IVector3;
    depth: number;
    radius: number;
}
export interface LSystemLeaf {
    position: IVector3;
    normal: IVector3;
    size: number;
}
export interface LSystemResult {
    segments: LSystemSegment[];
    leaves: LSystemLeaf[];
    boundingBox: {
        min: IVector3;
        max: IVector3;
    };
}
export declare const TREE_SIMPLE: LSystemConfig;
export declare const TREE_BINARY: LSystemConfig;
export declare const BUSH: LSystemConfig;
export declare const FERN: LSystemConfig;
export declare class LSystemGenerator {
    private seed;
    private rng;
    constructor(seed?: number);
    /**
     * Apply production rules to expand the axiom.
     */
    expand(config: LSystemConfig): string;
    /**
     * Interpret the L-system string using 3D turtle graphics.
     */
    interpret(lString: string, config: LSystemConfig): LSystemResult;
    /**
     * Generate a complete L-system tree/plant.
     */
    generate(config: LSystemConfig): LSystemResult;
    private rotateY;
    private rotateX;
    private updateBounds;
    private createRng;
}
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