src/vs/workbench/contrib/debug/browser/rawDebugSession.ts/RawDebugSession/variables
class RawDebugSession:	variables(args: DebugProtocol.VariablesArguments, token?: CancellationToken): Promise<DebugProtocol.VariablesResponse | undefined> {
		return this.send<DebugProtocol.VariablesResponse>('variables', args, token);
	}