http://picocli.info: Java command line parser with both an annotations API and a programmatic API. Usage help with ANSI styles and colors. Autocomplete. Nested subcommands. Easily included as source to avoid adding a dependency.
  • Remko Popma 
class picocli.CommandLine$Help$SortByOrder<T extends picocli.CommandLine$Model$IOrdered> implements java.util.Comparator<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: picocli.CommandLine$Help$SortByOrder
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // picocli.CommandLine$Help$SortByOrder this
         0: .line 14327
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // picocli.CommandLine$Help$SortByOrder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lpicocli/CommandLine$Help$SortByOrder<TT;>;

  public int compare(T, );
    descriptor: (Lpicocli/CommandLine$Model$IOrdered;Lpicocli/CommandLine$Model$IOrdered;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // picocli.CommandLine$Help$SortByOrder this
        start local 1 // picocli.CommandLine$Model$IOrdered o1
        start local 2 // picocli.CommandLine$Model$IOrdered o2
         0: .line 14329
            aload 1 /* o1 */
            invokeinterface picocli.CommandLine$Model$IOrdered.order:()I
            aload 2 /* o2 */
            invokeinterface picocli.CommandLine$Model$IOrdered.order:()I
            isub
            invokestatic java.lang.Integer.signum:(I)I
            ireturn
        end local 2 // picocli.CommandLine$Model$IOrdered o2
        end local 1 // picocli.CommandLine$Model$IOrdered o1
        end local 0 // picocli.CommandLine$Help$SortByOrder this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lpicocli/CommandLine$Help$SortByOrder<TT;>;
            0    1     1    o1  TT;
            0    1     2    o2  TT;
    Signature: (TT;TT;)I
    MethodParameters:
      Name  Flags
      o1    
      o2    

  public int compare(java.lang.Object, java.lang.Object);
    descriptor: (Ljava/lang/Object;Ljava/lang/Object;)I
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=3, locals=3, args_size=3
         0: .line 1
            aload 0
            aload 1
            checkcast picocli.CommandLine$Model$IOrdered
            aload 2
            checkcast picocli.CommandLine$Model$IOrdered
            invokevirtual picocli.CommandLine$Help$SortByOrder.compare:(Lpicocli/CommandLine$Model$IOrdered;Lpicocli/CommandLine$Model$IOrdered;)I
            ireturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: <T::Lpicocli/CommandLine$Model$IOrdered;>Ljava/lang/Object;Ljava/util/Comparator<TT;>;
SourceFile: "CommandLine.java"
NestHost: picocli.CommandLine
InnerClasses:
  public Help = picocli.CommandLine$Help of picocli.CommandLine
  SortByOrder = picocli.CommandLine$Help$SortByOrder of picocli.CommandLine$Help
  public final Model = picocli.CommandLine$Model of picocli.CommandLine
  public abstract IOrdered = picocli.CommandLine$Model$IOrdered of picocli.CommandLine$Model