internal bool HasTypeConstraint(string?typeName)
{
if (_operator == ExpressionType.And)
{
return(_left.HasTypeConstraint(typeName) || _right.HasTypeConstraint(typeName));
}
else if (Function != null && Function.FunctionName == ODataLiteral.IsOf)
{
return(Function.Arguments.Last().HasTypeConstraint(typeName));
}
else if (Value != null)
{
return(Value is Type valueType && valueType.Name == typeName);
}
else
{
return(false);
}
}