protected void CheckBaseObjectTypeIsKnown(SequenceCheckingEnvironment env, String baseObjectType, String whichArgument) { if (TypesHelper.GetObjectType(baseObjectType, env.Model) == null && TypesHelper.GetTransientObjectType(baseObjectType, env.Model) == null) { throw new SequenceParserException(Symbol + whichArgument, "object type or transient object type", baseObjectType); } }