public static boolean toAssignment(Context context, PsiElement from, PsiExpression returnValue) {
    if (from instanceof PsiDeclarationStatement) {
      final PsiElement[] declaredElements = ((PsiDeclarationStatement)from).getDeclaredElements();
      if (declaredElements.length == 1 && declaredElements[0] instanceof PsiVariable) {
        context.setInitializer((PsiVariable)declaredElements[0], returnValue);
        return true;
      }
    }
    return false;
  }
public static boolean toAssignment(Context context, PsiElement from, PsiExpression returnValue)