private boolean isValid(List<Name> variables) {
    int assignCounter = 0;
    for (Name variable : variables) {
      if (variable.parent instanceof Assign) {
        Assign assign = (Assign) variable.parent;
        /* The given name has to be one of the targets of this assignment */
        for (exprType x : assign.targets) {
          if (x == variable) {
            assignCounter++;
            break;
          }
        }
      }

      if (variable.ctx == expr_contextType.Param || variable.ctx == expr_contextType.KwOnlyParam) {
        status.addFatalError(Messages.format(Messages.inlineLocalParameter, variable.getId()));
        return false;
      }
    }

    if (assignCounter > 1) {
      status.addFatalError(
          Messages.format(Messages.inlineLocalMultipleAssignments, variables.get(0).getId()));
      return false;
    }

    return true;
  }
  @Override
  public RefactoringStatus checkInitialConditions(IProgressMonitor pm) throws CoreException {
    AbstractScopeNode<?> scope = info.getScopeAdapter();
    ITextSelection selection = info.getUserSelection();

    SimpleNode node = scope.getASTNode();

    LocalVariablesVisitor visitor = new LocalVariablesVisitor();
    try {
      node.accept(visitor);
    } catch (Exception e) {
      throw new RuntimeException(e);
    }

    List<Name> variables = visitor.getVariables();

    Name selectedVariable = findSelectedVariable(selection, variables);

    if (selectedVariable == null) {
      status.addFatalError(Messages.validationNoNameSelected);
      return status;
    }

    List<Name> relatedVariables = findAllRelatedVariables(variables, selectedVariable);

    Assign assignment = findAssignment(relatedVariables);

    if (assignment == null) {
      String id = selectedVariable.id;
      status.addFatalError(Messages.format(Messages.inlinelocalNoAssignment, id));
      return status;
    }

    if (!isValid(relatedVariables)) {
      return status;
    }

    requestProcessor.setAssign(assignment);
    requestProcessor.setVariables(relatedVariables);

    return status;
  }