| void .ctor(const Span<System.Int32>& intStack) | Private+1 flags | — | 0x10 |
| Nullable<System.Text.RegularExpressions.RegexPrefix> FirstChars(RegexTree t) | PublicStatic | — | 0x18 |
| RegexPrefix Prefix(RegexTree tree) | PublicStatic | — | 0x10 |
| int Anchors(RegexTree tree) | PublicStatic | — | 0x08 |
| int AnchorFromType(int type) | PrivateStatic | — | 0x04 |
| void PushInt(int i) | Private | — | 0x04 |
| bool IntIsEmpty() | Private | — | 0x01 |
| int PopInt() | Private | — | 0x04 |
| void PushFC(RegexFC fc) | Private | — | 0x08 |
| bool FCIsEmpty() | Private | — | 0x01 |
| RegexFC PopFC() | Private | — | 0x08 |
| RegexFC TopFC() | Private | — | 0x08 |
| void Dispose() | Public | — | 0x00 |
| RegexFC RegexFCFromRegexTree(RegexTree tree) | Private | — | 0x08 |
| void SkipChild() | Private | — | 0x00 |
| void CalculateFC(int NodeType, RegexNode node, int CurIndex) | Private | — | 0x08 |