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.hash.ImmutableSupplier<T> extends com.google.common.base.Supplier<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0600) ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.google.common.hash.ImmutableSupplier
  super_class: java.lang.Object
{
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;Lcom/google/common/base/Supplier<TT;>;
SourceFile: "ImmutableSupplier.java"
    RuntimeVisibleAnnotations: 
      com.google.errorprone.annotations.Immutable()