code: def detect_deprecated_references_in_node(self, node):
          
          # Define our results list
          results = []
  
          # If this node has an expression, we check the underlying expression.
          if node.expression:
              results += self.detect_deprecation_in_expression(node.expression)
  
          # Check if there is usage of any deprecated solidity variables or functions
          for dep_node in self.DEPRECATED_NODE_TYPES:
              if node.type == dep_node[0]:
                  results.append(dep_node)
  
          return results
docs: Detects if a node makes use of any deprecated standards.
  
          Returns:
              list of tuple: (detecting_signature, original_text, recommended_text)