public virtual void VisitUsingAliasDeclaration(UsingAliasDeclaration usingAliasDeclaration)
{
StartNode(usingAliasDeclaration);
WriteKeyword(UsingAliasDeclaration.UsingKeywordRole);
WriteIdentifier(usingAliasDeclaration.GetChildByRole(UsingAliasDeclaration.AliasRole));
Space(policy.SpaceAroundEqualityOperator);
WriteToken(Roles.Assign);
Space(policy.SpaceAroundEqualityOperator);
usingAliasDeclaration.Import.AcceptVisitor(this);
Semicolon();
EndNode(usingAliasDeclaration);
}