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. 
class com.google.common.base.Ticker$1 extends com.google.common.base.Ticker
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.google.common.base.Ticker$1
  super_class: com.google.common.base.Ticker
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.google.common.base.Ticker$1 this
         0: .line 52
            aload 0 /* this */
            invokespecial com.google.common.base.Ticker.<init>:()V
            return
        end local 0 // com.google.common.base.Ticker$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/base/Ticker$1;

  public long read();
    descriptor: ()J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.google.common.base.Ticker$1 this
         0: .line 55
            invokestatic com.google.common.base.Platform.systemNanoTime:()J
            lreturn
        end local 0 // com.google.common.base.Ticker$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/google/common/base/Ticker$1;
}
SourceFile: "Ticker.java"
EnclosingMethod: com.google.common.base.Ticker
NestHost: com.google.common.base.Ticker
InnerClasses:
  com.google.common.base.Ticker$1