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. 
public final class com.google.common.util.concurrent.UncaughtExceptionHandlers
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: com.google.common.util.concurrent.UncaughtExceptionHandlers
  super_class: java.lang.Object
{
  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.util.concurrent.UncaughtExceptionHandlers this
         0: .line 33
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.google.common.util.concurrent.UncaughtExceptionHandlers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/util/concurrent/UncaughtExceptionHandlers;

  public static java.lang.Thread$UncaughtExceptionHandler systemExit();
    descriptor: ()Ljava/lang/Thread$UncaughtExceptionHandler;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=0, args_size=0
         0: .line 52
            new com.google.common.util.concurrent.UncaughtExceptionHandlers$Exiter
            dup
            invokestatic java.lang.Runtime.getRuntime:()Ljava/lang/Runtime;
            invokespecial com.google.common.util.concurrent.UncaughtExceptionHandlers$Exiter.<init>:(Ljava/lang/Runtime;)V
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "UncaughtExceptionHandlers.java"
NestMembers:
  com.google.common.util.concurrent.UncaughtExceptionHandlers$Exiter
InnerClasses:
  final Exiter = com.google.common.util.concurrent.UncaughtExceptionHandlers$Exiter of com.google.common.util.concurrent.UncaughtExceptionHandlers
  public abstract UncaughtExceptionHandler = java.lang.Thread$UncaughtExceptionHandler of java.lang.Thread
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.GwtIncompatible()