/**
 * File classification utilities
 * Detects test files and document types based on path patterns
 */
import type { DocumentType } from '../types/index.js';
/**
 * Check if a file path represents a test file
 * Checks if the path contains "test" or "spec" in any component
 */
export declare function isTestFile(filePath: string): boolean;
/**
 * Detect document type by file extension
 */
export declare function detectDocumentType(filePath: string): DocumentType | null;
/**
 * Classify a file path
 */
export interface FileClassification {
    isTest: boolean;
    documentType: DocumentType | null;
}
export declare function classifyFile(filePath: string): FileClassification;
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