import type { ScanOptions } from './types.js';
/**
 * Scan codebase for files matching include/exclude patterns.
 *
 * In a git repository, the lexical scan below is unioned with git's
 * tracked-file list ({@link rescueTrackedFiles}) so tracked source is never
 * silently dropped by a hardcoded ignore pattern or a stale `.gitignore`
 * line. Non-git directories are unaffected -- {@link getGitTrackedFiles}
 * returns an empty set and the union is a no-op.
 */
export declare function scanCodebase(options: ScanOptions): Promise<string[]>;
/**
 * Detect broad file type from extension (includes non-AST languages like Go, Rust, Markdown, etc.).
 * For AST-supported language detection, use the AST parser's detectLanguage instead.
 */
export declare function detectFileType(filepath: string): string;
/**
 * @deprecated Use detectFileType instead. This alias exists for backwards
 * compatibility with deep imports.
 */
export declare const detectLanguage: typeof detectFileType;
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