pub type jvmtiEventFieldModification = unsafe extern "system" fn(jvmti_env: *mut jvmtiEnv, jni_env: *mut JNIEnv, thread: jthread, method: jmethodID, location: jlocation, field_klass: jclass, object: jobject, field: jfieldID, signature_type: c_char, new_value: jvalue);