/**
 * Function Scanner
 * Scans directories for functions using AST parsing
 *
 * ## Migration: TypeScript Compiler API → tree-sitter
 *
 * All `ts.Node`/`ts.SourceFile`/`ts.SyntaxKind` usage replaced with tree-sitter `ASTNode`
 * and adapterBridge utilities. The old `import * as ts from 'typescript'` is removed.
 */
import { FunctionMetadata, AuditOptions } from './types.js';
export interface ScanOptions {
    excludePaths?: string[];
    includePaths?: string[];
    fileExtensions?: string[];
}
/**
 * Scan directory for functions
 */
export declare function scanDirectoryForFunctions(dirPath: string, options?: ScanOptions & {
    unusedImportsConfig?: AuditOptions['unusedImportsConfig'];
}): Promise<FunctionMetadata[]>;
/**
 * Extract functions from a single file (convenience wrapper that reads the file).
 */
export declare function extractFunctionsFromFile(filePath: string, options?: {
    unusedImportsConfig?: AuditOptions['unusedImportsConfig'];
}): Promise<FunctionMetadata[]>;
/**
 * Extract functions from source content (no file I/O — usable by both the
 * audit runner and the index sync path).
 */
export declare function extractFunctionsFromSource(content: string, filePath: string, options?: {
    unusedImportsConfig?: AuditOptions['unusedImportsConfig'];
}): FunctionMetadata[];
export declare const scanFunctionsInFile: typeof extractFunctionsFromFile;
export declare function scanFunctionsInDirectory(dirPath: string, options?: {
    recursive?: boolean;
    fileTypes?: string[];
}): Promise<FunctionMetadata[]>;
/**
 * Function Scanner class for compatibility
 */
export declare class FunctionScanner {
    scanFunctions(content: string, filePath: string, language: string): Promise<FunctionMetadata[]>;
}
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