code: def validate_properties(properties):
      return properties.strip().split()
  
imports: import importlib
  import re
  import sys
  import warnings
  from os.path import abspath, dirname
  from docutils import nodes, utils, frontend
  from docutils.parsers.rst import Directive
  from docutils.parsers.rst.directives import flag
  from myst_parser.docutils_ import Parser
  from sphinx import addnodes
  from tools.schemapi.utils import fix_docstring_issues, SchemaInfo
label_desc: Use image node_id 9 for calling a global function with example usage: validate_properties(properties) and returns: properties