private static MemberDeclarationSyntax GetNextChildMember(this MemberDeclarationSyntax member, bool moveFromBottom)
{
var childMembers = member?.ChildNodes().OfType <MemberDeclarationSyntax>();
while (childMembers?.Count() > 0 && !member.IsKind(SyntaxKind.EnumDeclaration))
{
member = moveFromBottom ? childMembers.Last() : childMembers.First();
childMembers = member.ChildNodes().OfType <MemberDeclarationSyntax>();
}
return(member);
}