@Override
  public boolean isApplicable(List<? extends PsiElement> nodes, boolean completePattern, boolean target) {
    return myTable.getVariable() instanceof MatchVariableConstraint && completePattern &&
           isApplicableConstraint(UIUtil.CONTEXT, nodes, true, target);
  }
@Override
  public boolean isApplicable(List<? extends PsiElement> nodes, boolean completePattern, boolean target)