/**
 * Utilities for detecting the project language from the database
 * and resolving per-file languages for symbols.
 */
import type { IndexDatabase } from '../../db/database.js';
import type { SupportedLanguage } from '../llm/_shared/prompts.js';
/**
 * Detect the majority language of the project from the files table.
 * Returns 'typescript' for TS/JS projects, 'ruby' for Ruby projects.
 */
export declare function detectProjectLanguage(db: IndexDatabase): SupportedLanguage;
/**
 * Build a map from file path to SupportedLanguage for all files in the DB.
 * Used for per-symbol language resolution in mixed-language projects.
 */
export declare function buildFileLanguageMap(db: IndexDatabase): Map<string, SupportedLanguage>;
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