Uses readdirSync

Returns directory entries

Reuses readdirSync for counting

Error handling

Uses writeFileSync

Uses writeFile

JSON serialization

Encoding specification

Error propagation

Uses realpathSync

Passes filesystem instance

Handles symbolic links

Error propagation

Uses symlinkSync

Uses readlinkSync

Uses lstatSync

Handles symlink errors

Correct API implementation

Uses reset() method

Filesystem instance creation

Reset timing placement

Filesystem exposure

Uses accessSync method

Uses permission constants

Handles existence checking

Handles read permissions

Handles write permissions

Proper error handling

createWriteStream usage

start option implementation

Stream writing

Promise handling

Uses existsSync method

Single path validation

Multiple path validation

Correct return values

Uses truncateSync

Correct parameters

Returns file size

Error handling

Node Type Identification

Directory Traversal

Symbolic Link Handling

File Size Retrieval

Path Construction

Correct API Selection