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$NoDefaultProvider implements picocli.CommandLine$IDefaultValueProvider
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: picocli.CommandLine$NoDefaultProvider
  super_class: java.lang.Object
{
  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // picocli.CommandLine$NoDefaultProvider this
         0: .line 4524
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // picocli.CommandLine$NoDefaultProvider this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lpicocli/CommandLine$NoDefaultProvider;

  public java.lang.String defaultValue(picocli.CommandLine$Model$ArgSpec);
    descriptor: (Lpicocli/CommandLine$Model$ArgSpec;)Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // picocli.CommandLine$NoDefaultProvider this
        start local 1 // picocli.CommandLine$Model$ArgSpec argSpec
         0: .line 4525
            new java.lang.UnsupportedOperationException
            dup
            invokespecial java.lang.UnsupportedOperationException.<init>:()V
            athrow
        end local 1 // picocli.CommandLine$Model$ArgSpec argSpec
        end local 0 // picocli.CommandLine$NoDefaultProvider this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    1     0     this  Lpicocli/CommandLine$NoDefaultProvider;
            0    1     1  argSpec  Lpicocli/CommandLine$Model$ArgSpec;
    MethodParameters:
         Name  Flags
      argSpec  
}
SourceFile: "CommandLine.java"
NestHost: picocli.CommandLine
InnerClasses:
  public abstract IDefaultValueProvider = picocli.CommandLine$IDefaultValueProvider of picocli.CommandLine
  public final Model = picocli.CommandLine$Model of picocli.CommandLine
  public abstract ArgSpec = picocli.CommandLine$Model$ArgSpec of picocli.CommandLine$Model
  private NoDefaultProvider = picocli.CommandLine$NoDefaultProvider of picocli.CommandLine