/**
 * Category Inference Service
 * Auto-detect component and category from file paths and content
 */
export type Component = 'backend' | 'mobile' | 'web' | 'infra' | 'data' | 'docs' | 'tests' | 'other';
export type Category = 'code' | 'docs' | 'ops' | 'tests' | 'data-model' | 'decision';
export declare class CategoryInferenceService {
    /**
     * Infer component from file path
     */
    inferComponent(path: string): Component;
    /**
     * Infer category from file path and content
     */
    inferCategory(path: string, content?: string): Category;
    /**
     * Infer component from multiple file paths (for DIGESTs with multiple files)
     * Returns most common component, or 'other' if mixed
     */
    inferComponentFromFiles(paths: string[]): Component;
    /**
     * Extract tags from text (simple keyword extraction)
     * TODO: Use NLP for better extraction
     */
    extractTags(text: string, maxTags?: number): string[];
}
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