code: def check_required_properties(unmasked_ds, masked_ds):
      """Check various aspects of coordinates and attributes for correctness."""
      _check_scaled_x_coordinate_variable(unmasked_ds, masked_ds)
      _check_scaled_y_coordinate_variable(unmasked_ds, masked_ds)
      _check_required_common_attributes(unmasked_ds)
  
imports: import logging
  import os
  import shutil
  from datetime import datetime, timedelta
  from glob import glob
  import dask
  import dask.array
  import numpy
  import pytest
  import xarray
  from pyproj import CRS
  from satpy.resample import update_resampled_coords
label_desc: Use image node_id 2 for calling a global function with example usage: check_required_properties(unmasked_ds, masked_ds) without return types