import { Grammar } from "./Grammar.js";
export declare class Diagram {
    static readonly MAX_EXPANSION_DEPTH: number;
    readonly grammar: Grammar;
    private readonly pathStack;
    private expandingNtsPaths;
    private collectPaths;
    private startSymbolName;
    private constructor();
    /**
     * Generate a diagram from a grammar
     * @param {string} grammarString The grammar as a string
     * @param {string?} startSymbolName The name of the start symbol. If not provided the first production is used
     * @returns	{Diagram} The diagram
     */
    static fromString(grammarString: string, startSymbolName?: string): Diagram;
    /**
     * Generate a diagram from a grammar
     * @param {Grammar} grammar The grammar
     * @param {string?} startSymbolName The name of the start symbol. If not provided the first production is used
     * @param startSymbolName The name of the start symbol. If not provided the first production is used
     * @returns {Diagram} The diagram
     */
    static fromGrammar(grammar: Grammar, startSymbolName?: string): Diagram;
    /**
     * Generate a diagram from a production
     * @returns {any} The diagram
     */
    private generateDiagram;
    private forProduction;
    private forExpression;
    private forTerm;
    private generateBasicSequence;
    private forFactor;
    private generateFrom;
    /**
     * A diagram in SVG format
     * @param {Set<number[]>} expandingNtsPaths The paths of the NTS that should be expanded
     * @returns {string} The diagram in SVG format
     */
    toSvg(expandingNtsPaths?: Set<number[]>): string;
    /**
     * Inject markers into the SVG.
     * It includes some SVG madness to inject markers into the correct paths. With quite a bunch of magic values that I found out by trial and error.
     * @param {string} svg The SVG string with injected markers
     * @returns {string} The SVG string with injected markers
     */
    private injectMarkers;
    /**
     * Get all NTS paths that should be expanded.
     * Still adhears to the MAX_EXPANSION_DEPTH limit.
     * @returns {Set<number[]>} The paths of the NTS that should be expanded
     */
    getAllNtsPaths(): Set<number[]>;
    /**
     * A diagram in string format
     * @returns {string} The diagram in string format
     */
    toString(): string;
}