protected AsyncQueryable(Type elementType, AsyncQueryProvider provider)
{
Debug.Assert(elementType is not null);
Debug.Assert(provider is not null);
ElementType = elementType;
Provider = provider;
}
protected AsyncQueryable(
Type elementType,
AsyncQueryProvider provider,
Expression expression) : this(elementType, provider)
{
Debug.Assert(expression is not null);
Debug.Assert(expression.Type.IsAssignableTo(typeof(IAsyncQueryable <>).MakeGenericType(elementType)));
_expression = expression;
}
