/**
 * Mock implementation for file system operations
 * This allows tests to run without touching the actual file system
 */
export declare class FsMock {
    private mockFiles;
    private originalFsMethods;
    constructor();
    /**
     * Set up mock file system with initial file structure
     */
    setup(fileStructure: Record<string, string>): void;
    /**
     * Normalize path for consistent handling
     */
    private normalizePath;
    /**
     * Restore original fs methods
     */
    restore(): void;
    /**
     * Get content of a mock file
     */
    getMockFileContent(path: string): string | undefined;
    /**
     * Set content of a mock file
     */
    setMockFileContent(path: string, content: string): void;
    /**
     * Get all mock files
     */
    getAllMockFiles(): Map<string, string>;
}