/**
 * Query Intent Detection Service
 *
 * Detects whether a search query is looking for implementation code
 * or documentation, and calculates appropriate boosts.
 */
/** Implementation-related query terms that boost source code files */
export declare const IMPLEMENTATION_TERMS: string[];
/** Documentation-related query terms that boost documentation files */
export declare const DOCUMENTATION_TERMS: string[];
/** Source code file extensions */
export declare const SOURCE_CODE_EXTENSIONS: string[];
/** Documentation file extensions */
export declare const DOC_EXTENSIONS: string[];
/** Data/config file extensions */
export declare const DATA_EXTENSIONS: string[];
/** Query intent types */
export type QueryIntent = "implementation" | "documentation" | "neutral";
/**
 * Detect query intent based on terms.
 * Returns: 'implementation' | 'documentation' | 'neutral'
 *
 * @param queryTerms - Array of query terms (lowercase)
 * @returns The detected intent
 */
export declare function detectQueryIntent(queryTerms: string[]): QueryIntent;
/**
 * Extract query terms from a search query.
 *
 * @param query - The search query string
 * @returns Array of lowercase terms (length > 2)
 */
export declare function extractQueryTerms(query: string): string[];
/**
 * Determine if a file is a source code file based on extension.
 */
export declare function isSourceCodeFile(filepath: string): boolean;
/**
 * Determine if a file is a documentation file based on extension.
 */
export declare function isDocFile(filepath: string): boolean;
/**
 * Determine if a file is a data/config file based on extension.
 */
export declare function isDataFile(filepath: string): boolean;
/**
 * Calculate boost based on file type and query context.
 * Bidirectional: boosts code for implementation queries, docs for documentation queries.
 * Only applies when query intent is clear.
 *
 * @param filepath - The file path
 * @param queryTerms - Array of query terms (lowercase)
 * @returns Boost value (0 to ~0.1)
 */
export declare function calculateFileTypeBoost(filepath: string, queryTerms: string[]): number;