https://github.com/google/guava/guava: Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more. 
interface com.google.common.util.concurrent.AbstractFuture$Trusted<V> extends com.google.common.util.concurrent.ListenableFuture<V>
  minor version: 0
  major version: 59
  flags: flags: (0x0600) ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.google.common.util.concurrent.AbstractFuture$Trusted
  super_class: java.lang.Object
{
}
Signature: <V:Ljava/lang/Object;>Ljava/lang/Object;Lcom/google/common/util/concurrent/ListenableFuture<TV;>;
SourceFile: "AbstractFuture.java"
NestHost: com.google.common.util.concurrent.AbstractFuture
InnerClasses:
  abstract Trusted = com.google.common.util.concurrent.AbstractFuture$Trusted of com.google.common.util.concurrent.AbstractFuture