/**
 * Auto-repair utilities for Mermaid diagrams.
 */
/**
 * Attempt to repair a diagram with common syntax issues.
 * @param diagram - Mermaid diagram code
 * @returns Repaired diagram code
 */
export declare function repairDiagram(diagram: string): string;
/**
 * Generate a fallback minimal diagram.
 * Used when repair attempts fail.
 * @returns Minimal valid flowchart
 */
export declare function fallbackDiagram(): string;
/**
 * Check if diagram needs repair.
 * @param diagram - Mermaid diagram code
 * @returns True if diagram has known issues
 */
export declare function needsRepair(diagram: string): boolean;
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