LDKSocketDescriptor_JCalls *j_calls = (LDKSocketDescriptor_JCalls*) this_arg;
JNIEnv *_env;
DO_ASSERT((*j_calls->vm)->GetEnv(j_calls->vm, (void**)&_env, JNI_VERSION_1_8) == JNI_OK);
LDKSocketDescriptor_JCalls *j_calls = (LDKSocketDescriptor_JCalls*) this_arg;
JNIEnv *_env;
DO_ASSERT((*j_calls->vm)->GetEnv(j_calls->vm, (void**)&_env, JNI_VERSION_1_8) == JNI_OK);