import type { ProjectFile } from "../types.js";
export declare function isTeachingCriticalFile(relativePath: string): boolean;
/**
 * Extract lightweight header from source code files.
 * Returns only import/require statements, export statements,
 * and "use client"/"use server" directives.
 * This dramatically reduces upload size (~500 bytes vs ~50KB per file).
 */
export declare function extractFileHeader(content: string): string;
export declare function scanProjectFiles(rootDir: string): Promise<ProjectFile[]>;
/**
 * Scan local project and return only teaching-critical files
 * (page.tsx, layout.tsx, API routes, middleware, lib/*, server/*, types/*).
 * Config files excluded. Files truncated to maxContentLength.
 */
export declare function scanTeachingCriticalFiles(rootDir: string, options?: {
    maxFiles?: number;
    maxContentLength?: number;
}): Promise<Array<{
    file_path: string;
    content: string;
}>>;
//# sourceMappingURL=file-scanner.d.ts.map