assertEquals(
        "a.b", new ClassInfo(FILE, "a/b/Foo.class", getClass().getClassLoader()).getPackageName());
  }

  // Test that ResourceInfo.urls() returns identical content to ClassLoader.getResources()


  @AndroidIncompatible
  public void testGetClassPathUrls() throws Exception {
    if (isWindows()) {
      return; // TODO: b/136041958 - We need to account for drive letters in the path.
    }

CaseInsensitiveMap<String> configMap = new CaseInsensitiveMap<>();
```

### Resource Management
```java
import org.codelibs.core.io.*;

// Resource loading and management
URL resource = ResourceUtil.getResource("config.properties");
Properties props = PropertiesUtil.load(resource);

// File operations with proper resource handling
try (InputStream input = ResourceUtil.getResourceAsStream("data.txt")) {

        }

        @Override
        public java.util.Set<String> getResourcePaths(String path) {
            return null;
        }

        @Override
        public java.net.URL getResource(String path) {
            return null;
        }

        @Override
        public java.io.InputStream getResourceAsStream(String path) {
            return null;
        }

        @Override

        }

        @Override
        public java.util.Set<String> getResourcePaths(String path) {
            return null;
        }

        @Override
        public java.net.URL getResource(String path) {
            return null;
        }

        @Override
        public java.io.InputStream getResourceAsStream(String path) {
            return null;
        }

        @Override

        }

        @Override
        public java.util.Set<String> getResourcePaths(String path) {
            return null;
        }

        @Override
        public java.net.URL getResource(String path) {
            return null;
        }

        @Override
        public java.io.InputStream getResourceAsStream(String path) {
            return null;
        }

        @Override