# Core PDF processing
PyMuPDF>=1.23.0

# System monitoring (optional but recommended)
psutil>=5.9.0

# Image processing (already included with PyMuPDF)
# Pillow>=9.0.0

# JSON handling (built-in)
# json

# String matching (built-in)
# difflib

# File operations (built-in)
# os
# tempfile
# shutil

# Date/time handling (built-in)
# datetime

# Logging (built-in)
# logging

# Math operations (built-in)
# math

# Regular expressions (built-in)
# re

# System utilities (built-in)
# sys

# Type hints (built-in for Python 3.5+)
# typing
