anchor.diff:  
   For example:
   
  -[source,java]
  +.Java
  +[source,java,role="primary"]
   ----
   class Ambiguous {
       @Parameters(description = "The file (required).")
  
positive.code: 
  For example:
  
  [source,java]
  ----
  class Ambiguous {
      @Parameters(description = "The file (required).")
  
negative.code: 
  
  ==== Repeated Boolean Options
  Boolean options with multiple values are supported as of picocli 2.1.0.
  
  .Java
  [source,java,role="primary"]
  ----
  @Option(names = "-v", description = { "Specify multiple -v options to increase verbosity.",
                                        "For example, `-v -v -v` or `-vvv`"})
  boolean[] verbosity;
  ----
  
  .Kotlin
  [source,kotlin,role="secondary"]
  ----
  @Option(names = ["-v"], description = ["Specify multiple -v options to increase verbosity.",
                                          "For example, `-v -v -v` or `-vvv`"])
  lateinit var verbosity: BooleanArray
  ----
  
  Users may specify multiple boolean flag options without parameters. For example:
  ----
  <command> -v -v -v -vvv
  