public abstract class AbstractFuture<V extends @Nullable Object> extends InternalFutureFailureAccess
    implements ListenableFuture<V> {

  static final boolean GENERATE_CANCELLATION_CAUSES = false;

  /**
   * Tag interface marking trusted subclasses. This enables some optimizations. The implementation
   * of this interface must also be an AbstractFuture and must not override or expose for overriding
   * any of the public methods of ListenableFuture.
   */

 *
 * <p>This class only provides testing utilities. It is not designed for direct use in production or
 * for benchmarking.
 *
 * @author mike nonemacher
 * @author Martin Buchholz
 * @since 11.0
 */
@GwtIncompatible
@J2ktIncompatible
@J2ObjCIncompatible // gc
@ElementTypesAreNonnullByDefault
public final class GcFinalization {
  private GcFinalization() {}

  /**

// Restore sticky content\n    const elements = [].slice.call(document.querySelectorAll(`${SELECTOR_STICKY_CONTENT}`))\n    $(elements).each((index, element) => {\n      const margin = $(element).data('margin-right')\n      if (typeof margin !== 'undefined') {\n        $(element).css('margin-right', margin).removeData('margin-right')\n      }\n    })\n\n    // Restore body padding\n    const padding = $(document.body).data('padding-right')\n    $(document.body).removeData('padding-right')\n    doc...

,f.cloneNode(!0).style.backgroundClip="",k.clearCloneStyle="content-box"===f.style.backgroundClip,e.style.cssText="border:0;width:0;height:0;top:0;left:-9999px;margin-top:1px;position:absolute",e.appendChild(f);function g(){f.style.cssText="-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;display:block;margin-top:1%;top:1%;border:1px;padding:1px;width:4px;position:absolute",f.innerHTML="",d.appendChild(e);var g=a.getComputedStyle(f,null);b="1%"!==g.top,c="4px"===g.w...

eHandler=this.container.addEventListener("click",this.fakeHandlerCallback)||!0,this.fakeElem=document.createElement("textarea"),this.fakeElem.style.fontSize="12pt",this.fakeElem.style.border="0",this.fakeElem.style.padding="0",this.fakeElem.style.margin="0",this.fakeElem.style.position="absolute",this.fakeElem.style[e?"right":"left"]="-9999px";var n=window.pageYOffset||document.documentElement.scrollTop;this.fakeElem.style.top=n+"px",this.fakeElem.setAttribute("readonly",""),this.fakeElem.value=...

// Restore sticky content\n    const elements = [].slice.call(document.querySelectorAll(`${Selector.STICKY_CONTENT}`))\n    $(elements).each((index, element) => {\n      const margin = $(element).data('margin-right')\n      if (typeof margin !== 'undefined') {\n        $(element).css('margin-right', margin).removeData('margin-right')\n      }\n    })\n\n    // Restore body padding\n    const padding = $(document.body).data('padding-right')\n    $(document.body).removeData('padding-right')\n    doc...

/*
 * Written by Doug Lea and Martin Buchholz with assistance from
 * members of JCP JSR-166 Expert Group and released to the public
 * domain, as explained at
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

/*
 * Source:
 * http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166/src/test/tck-jsr166e/AtomicDoubleArrayTest.java?revision=1.13
 * (Modified to adapt to guava coding conventions)
 */

package com.google.common.util.concurrent;

interface NestedType {
    Property<String> getSomeProperty()
}
class Example {
    Property<NestedType> getNestedProperty()
}
```

This is unnecessary because users will have trouble creating instances of `NestedType` and merging different instances of `NestedType`. It's also more awkward for users to access the properties in the nested property.

If the nested type is a managed type (Gradle can generate its implementation), you can define a nested property with:

 *
 * <p>This class only provides testing utilities. It is not designed for direct use in production or
 * for benchmarking.
 *
 * @author mike nonemacher
 * @author Martin Buchholz
 * @since 11.0
 */
@GwtIncompatible
@J2ktIncompatible
@J2ObjCIncompatible // gc
@ElementTypesAreNonnullByDefault
public final class GcFinalization {
  private GcFinalization() {}

  /**

				"application/vnd.lotus-screencam",
				"application/vnd.lotus-wordpro",
				"application/vnd.macports.portpkg",
				"application/vnd.marlin.drm.actiontoken+xml",
				"application/vnd.marlin.drm.conftoken+xml",
				"application/vnd.marlin.drm.license+xml",
				"application/vnd.marlin.drm.mdcf",
				"application/vnd.mcd",
				"application/vnd.medcalcdata",
				"application/vnd.mediastation.cdkey",