/**
 * Language Detection & Symbol Patterns
 * Supports 40+ programming languages for universal codebase analysis
 */
export interface LanguageConfig {
    name: string;
    extensions: string[];
    commentSingle?: string;
    commentMultiStart?: string;
    commentMultiEnd?: string;
    symbolPatterns: {
        functions: RegExp[];
        classes: RegExp[];
        interfaces: RegExp[];
        types: RegExp[];
        constants: RegExp[];
        exports: RegExp[];
    };
    importPattern?: RegExp;
}
/**
 * Detect the programming language of a file based on its extension or filename.
 * @param filePath - The file path to detect language for.
 * @returns The detected language name or 'unknown'.
 */
export declare function detectLanguage(filePath: string): string;
/**
 * Get all file extensions associated with a language.
 * @param language - The language name.
 * @returns An array of file extensions for the language.
 */
export declare function getLanguageExtensions(language: string): string[];
/**
 * Get all known file extensions from the extension map.
 * @returns An array of all registered file extensions.
 */
export declare function getAllKnownExtensions(): string[];
/**
 * Check if a file is a code file (not data/config/docs).
 * @param filePath - The file path to check.
 * @returns True if the file is a code file.
 */
export declare function isCodeFile(filePath: string): boolean;
/**
 * Get symbol extraction patterns for a given language.
 * @param language - The language name.
 * @returns Symbol patterns for the language or generic fallback patterns.
 */
export declare function getSymbolPatterns(language: string): LanguageConfig['symbolPatterns'];
/**
 * Get import detection patterns for a given language.
 * @param language - The language name.
 * @returns An array of RegExp patterns for detecting imports.
 */
export declare function getImportPatterns(language: string): RegExp[];
/**
 * Get the comment style for a given language.
 * @param language - The language name.
 * @returns The comment style configuration for the language.
 */
export declare function getCommentStyle(language: string): {
    single?: string;
    multiStart?: string;
    multiEnd?: string;
};
/**
 * Get the category (or categories) a language belongs to.
 * @param language - The language name.
 * @returns A comma-separated string of categories or 'General'.
 */
export declare function getLanguageCategory(language: string): string;
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