code: def containsUid(self, uid):
          '''
              Check if #uid is found anywhere within this element tree
  
              @param uid <uuid.UUID> - Uid
  
              @return <bool> - If #uid is found within this tree
          '''
          for rootNode in self.getRootNodes():
              if rootNode.containsUid(uid):
                  return True
  
          return Falsf containsUid(self, uid):
          '''
              Check if #uid is found anywhere within this element tree
  
              @param uid <uuid.UUID> - Uid
  
              @return <bool> - If #uid is found within this tree
          '''
          for rootNode in self.getRootNodes():
              if rootNode.containsUid(uid):
                  return True
  
          return False
docs: Check if #uid is found anywhere within this element tree
  
              @param uid <uuid.UUID> - Uid
  
              @return <bool> - If #uid is found within this tree