// <= public abstract T Visit(DbLessThanOrEqualExpression exp);
// <= public override DbExpression Visit(DbLessThanOrEqualExpression exp) { return(new DbLessThanOrEqualExpression(this.MakeNewExpression(exp.Left), this.MakeNewExpression(exp.Right), exp.Method)); }
// <= public virtual T Visit(DbLessThanOrEqualExpression exp) { throw new NotImplementedException(); }