Android build cannot find symbol

[mjlabe]

Task :app:compileReleaseJavaWithJavac FAILED
/Users//Documents/Projects/what_the_beep/android/app/src/main/java/com/what_the_beep/MainApplication.java:32: error: cannot find symbol
packages.add(ReactNativeVolumeControllerPackage());
^
symbol: method ReactNativeVolumeControllerPackage()
1 error

MainApplication.java:

        @Override
        protected List<ReactPackage> getPackages() {
          @SuppressWarnings("UnnecessaryLocalVariable")
          List<ReactPackage> packages = new PackageList(this).getPackages();
          // Packages that cannot be autolinked yet can be added manually here, for example:
          // packages.add(new MyReactNativePackage());
          packages.add(ReactNativeVolumeControllerPackage());
          return packages;
        }