default: parent id + position among siblings
ProtectedclampDebugger can send column: 0 value despite of initializing the debug session with columnsStartAt1: true.
This method can be used to ensure that neither column nor column are negative numbers.
See https://github.com/microsoft/vscode-mock-debug/issues/85.
ProtecteddoOptionaloptions: EditorOpenerOptionsProtectedrenderProtectedto
Returns the frame identifier from the debug protocol.