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 
public interface picocli.CommandLine$Option extends java.lang.annotation.Annotation
  minor version: 0
  major version: 59
  flags: flags: (0x2601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT, ACC_ANNOTATION
  this_class: picocli.CommandLine$Option
  super_class: java.lang.Object
{
  public abstract java.lang.String[] names();
    descriptor: ()[Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract boolean required();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: false

  public abstract boolean help();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: false
    RuntimeVisibleAnnotations: 
      java.lang.Deprecated()

  public abstract boolean usageHelp();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: false

  public abstract boolean versionHelp();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: false

  public abstract java.lang.String[] description();
    descriptor: ()[Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: {}

  public abstract java.lang.String arity();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: ""

  public abstract java.lang.String paramLabel();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: ""

  public abstract boolean hideParamSyntax();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: false

  public abstract java.lang.Class<?>[] type();
    descriptor: ()[Ljava/lang/Class;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()[Ljava/lang/Class<*>;
    AnnotationDefault: {}

  public abstract java.lang.Class<? extends picocli.CommandLine$ITypeConverter<?>>[] converter();
    descriptor: ()[Ljava/lang/Class;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()[Ljava/lang/Class<+Lpicocli/CommandLine$ITypeConverter<*>;>;
    AnnotationDefault: {}

  public abstract java.lang.String split();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: ""

  public abstract boolean hidden();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: false

  public abstract java.lang.String defaultValue();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: "__no_default_value__"

  public abstract picocli.CommandLine$Help$Visibility showDefaultValue();
    descriptor: ()Lpicocli/CommandLine$Help$Visibility;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: picocli.CommandLine$Help$Visibility.ON_DEMAND:Lpicocli/CommandLine$Help$Visibility;

  public abstract java.lang.Class<? extends java.lang.Iterable<java.lang.String>> completionCandidates();
    descriptor: ()Ljava/lang/Class;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/lang/Class<+Ljava/lang/Iterable<Ljava/lang/String;>;>;
    AnnotationDefault: Lpicocli/CommandLine$NoCompletionCandidates;

  public abstract boolean interactive();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: false

  public abstract java.lang.String descriptionKey();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: ""

  public abstract int order();
    descriptor: ()I
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: -1

  public abstract boolean negatable();
    descriptor: ()Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: false

  public abstract java.lang.String fallbackValue();
    descriptor: ()Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    AnnotationDefault: ""

  public abstract java.lang.Class<? extends picocli.CommandLine$IParameterConsumer> parameterConsumer();
    descriptor: ()Ljava/lang/Class;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: ()Ljava/lang/Class<+Lpicocli/CommandLine$IParameterConsumer;>;
    AnnotationDefault: Lpicocli/CommandLine$NullParameterConsumer;
}
SourceFile: "CommandLine.java"
NestHost: picocli.CommandLine
InnerClasses:
  public Help = picocli.CommandLine$Help of picocli.CommandLine
  public final Visibility = picocli.CommandLine$Help$Visibility of picocli.CommandLine$Help
  public abstract IParameterConsumer = picocli.CommandLine$IParameterConsumer of picocli.CommandLine
  public abstract ITypeConverter = picocli.CommandLine$ITypeConverter of picocli.CommandLine
  public abstract Option = picocli.CommandLine$Option of picocli.CommandLine
    RuntimeVisibleAnnotations: 
      java.lang.annotation.Retention(value = java.lang.annotation.RetentionPolicy.RUNTIME:Ljava/lang/annotation/RetentionPolicy;)
      java.lang.annotation.Target(value = {java.lang.annotation.ElementType.FIELD:Ljava/lang/annotation/ElementType;, java.lang.annotation.ElementType.METHOD:Ljava/lang/annotation/ElementType;, java.lang.annotation.ElementType.PARAMETER:Ljava/lang/annotation/ElementType;})