private static extern int Train(IntPtr hPtr, string input, string output, FastTextArgsStruct trainArgs, AutotuneArgsStruct tuneArgs, string labelPrefix, string pretrainedVectors, [MarshalAs(UnmanagedType.I1)] bool debug);
private static extern int Quantize(IntPtr hPtr, string output, FastTextArgsStruct trainArgs, string label);
private static extern int Train(IntPtr hPtr, string input, string output, FastTextArgsStruct args, string labelPrefix, string pretrainedVectors);