https://github.com/google/guice/guice: Guice is a lightweight dependency injection framework for Java 6 and above (Google, Inc.) 
public interface com.google.inject.spi.ProviderKeyBinding<T> extends com.google.inject.Binding<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.google.inject.spi.ProviderKeyBinding
  super_class: java.lang.Object
{
  public abstract com.google.inject.Key<? extends javax.inject.Provider<? extends T>> getProviderKey();
    descriptor: ()Lcom/google/inject/Key;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Lcom/google/inject/Key<+Ljavax/inject/Provider<+TT;>;>;
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;Lcom/google/inject/Binding<TT;>;
SourceFile: "ProviderKeyBinding.java"