ActivationFile target) {
                final String path = target.getExists();
                final String xformed = transformPath(path, target, "exists");
                return xformed != path ? (builder != null ? builder : creator.get()).exists(xformed) : builder;
            }

            private String transformPath(String path, ActivationFile target, String locationKey) {

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.nio.file.Path;
import java.util.*;
import java.util.concurrent.*;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;