// void CVec_SpendableOutputDescriptorZ_free(struct LDKCVec_SpendableOutputDescriptorZ _res);
public static native void CVec_SpendableOutputDescriptorZ_free(long[] _res);
// void CVec_MessageSendEventZ_free(struct LDKCVec_MessageSendEventZ _res);
// void CVec_SpendableOutputDescriptorZ_free(struct LDKCVec_SpendableOutputDescriptorZ _res);
public static native void CVec_SpendableOutputDescriptorZ_free(long[] _res);
// void CVec_MessageSendEventZ_free(struct LDKCVec_MessageSendEventZ _res);