import { DependencyGraph } from '../types';
import { DiagramOptions, DiagramResult } from './diagram-types';
/**
 * Enhanced Mermaid diagram generator with styling and themes
 */
export declare class MermaidEnhancer {
    private config;
    constructor(theme?: DiagramOptions['theme']);
    /**
     * Generate enhanced dependency graph with styling
     */
    generateEnhancedDependencyDiagram(graph: DependencyGraph, options: DiagramOptions): DiagramResult;
    /**
     * Generate Mermaid configuration header
     */
    private generateMermaidConfig;
    /**
     * Generate styled nodes with classification
     */
    private generateStyledNodes;
    /**
     * Generate styled edges
     */
    private generateStyledEdges;
    /**
     * Classify file type based on name patterns
     */
    private classifyFile;
    /**
     * Get arrow style based on import type
     */
    private getArrowStyle;
    /**
     * Generate CSS classes for styling
     */
    private generateCSSClasses;
    /**
     * Get theme configuration
     */
    private getThemeConfig;
    /**
     * Static method for backward compatibility
     */
    static generateEnhanced(graph: DependencyGraph, options?: Partial<DiagramOptions>): string;
}