public static bool IsNamespace(Token t) => t.IsSubKind(TokenKind.ReservedWord, SubKindCSharp.Namespace);
public static bool IsClass(Token t) => t.IsSubKind(TokenKind.ReservedWord, SubKindCSharp.Class);
public static bool IsBraceOpen(Token t) => t.IsSubKind(TokenKind.Symbol, SubKindCSharp.BraceOpen);
public static bool IsBraceClose(Token t) => t.IsSubKind(TokenKind.Symbol, SubKindCSharp.BraceClose);
public static bool IsAccessModifier(Token t) => t.IsSubKind(TokenKind.ReservedWord, SubKindCSharp.AccessModifier);