code: private void processMethodCall() {
          int numParams = SignatureUtils.getNumParameters(getSigConstantOperand());
  
          int depth = stack.getStackDepth();
          for (int i = 0; i < numParams; i++) {
              if (depth > i) {
                  OpcodeStack.Item item = stack.getStackItem(i);
                  XField xf = item.getXField();
                  if (xf != null) {
                      removeField(item);
                  }
              } else {
                  return;
              }
          }
      }
docs: parses all the parameters of a called method and removes any of the parameters that are maps currently being looked at for this detector