in maven-plugin-testing-harness/src/main/java/org/apache/maven/api/plugin/testing/stubs/RepositorySystemSupplier.java [348:355]
protected Map<String, NamedLockFactory> createNamedLockFactories() {
HashMap<String, NamedLockFactory> result = new HashMap<>();
result.put(NoopNamedLockFactory.NAME, new NoopNamedLockFactory());
result.put(LocalReadWriteLockNamedLockFactory.NAME, new LocalReadWriteLockNamedLockFactory());
result.put(LocalSemaphoreNamedLockFactory.NAME, new LocalSemaphoreNamedLockFactory());
result.put(FileLockNamedLockFactory.NAME, new FileLockNamedLockFactory());
return result;
}