code: def detect_deprecation_in_expression(self, expression):
          
          # Perform analysis on this expression
          export = ExportValues(expression)
          export_values = export.result()
  
          # Define our results list
          results = []
  
          # Check if there is usage of any deprecated solidity variables or functions
          for dep_var in self.DEPRECATED_SOLIDITY_VARIABLE:
              if SolidityVariableComposed(dep_var[0]) in export_values:
                  results.append(dep_var)
          for dep_func in self.DEPRECATED_SOLIDITY_FUNCTIONS:
              if SolidityFunction(dep_func[0]) in export_values:
                  results.append(dep_func)
  
          return results
docs: Detects if an expression makes use of any deprecated standards.
  
          Returns:
              list of tuple: (detecting_signature, original_text, recommended_text)