Adds the specified argument to the list of options and positional parameters that depend on this group.

Adds the specified {@linkplain ArgGroupSpec argument group} to the groups in this command. @param group the group spec to add @return this CommandSpec

Adds the specified option spec to the list of configured arguments to expect. The option's {@linkplain OptionSpec#description()} may now return String

Adds the specified positional parameter spec to the list of configured arguments to expect. The positional parameter's {@linkplain PositionalParamSpec

Adds the specified {@code {@literal @}Spec}-annotated program element to the list of elements for this command. @return this CommandSpec for method ch

Registers a subcommand with the name obtained from the {@code @Command(name = "...")} {@linkplain Command#name() annotation attribute} of the specifie

Adds the specified subcommand with the specified name. If the specified subcommand does not have a ResourceBundle set, it is initialized to the Resour

Returns all positional parameters configured for this group and all subgroups. @return an immutable list of all positional parameters in this group an

Replaces colors and styles in this scheme builder with ones specified in system properties, and returns this builder. Supported property names:<ul>

Equivalent to {@code new CommandLine(callable).execute(args)}, except for the return value. @param callable the command to call when {@linkplain #pars

Returns the registered styles for commands in this color scheme. @since 4.0

Creates and returns a new {@code CommandSpec} without any associated user object.

Returns a new default OptionRenderer which converts {@link OptionSpec Options} to five columns of text to match the default {@linkplain TextTable Tex

Returns the optional text lines to use as the description of the help message, displayed between the synopsis and the options list. Initialized from {

just a dummy function that requires the engine to be attached return true on succsess

Returns {@code true} if ANSI escape codes should be emitted, {@code false} otherwise. @return ON: {@code true}, OFF: {@code false}, AUTO: if system pr

Returns the exit code to use as the termination status, or {@code null} (the default) if the handler should not call {@link System#exit(int)} after pr

Parses the specified style markup and returns the associated style. The markup may be one of the Style enum value names, or it may be one of the Styl

Constructs a TextTable with five columns as follows: <ol> <li>required option/parameter marker (width: 2, indent: 0, TRUNCATE on overflow)</li> <li>sh

Returns type information of components or elements of a {@link #isMultiValue() multivalue} type.

Helper to get methods of a class annotated with {@link Command @Command} via reflection, optionally filtered by method name (not {@link Command#name()

Returns the exit code that should be returned from the {@link #execute(String...) execute} method. @return the exit code

Returns the mapper that was set by the application to map from exceptions to exit codes, for use by the {@link #execute(String...) execute} method. @r

Returns the {@code IHelpFactory} that this Help was constructed with. @since 3.9

Returns the {@link IGetter} that is responsible for supplying the value of the annotated program element associated with this group.

Processes the specified {@code ParseResult} and returns the result as a list of objects. Implementations are responsible for catching any exceptions t

Handles a {@code ExecutionException} that occurred while executing the {@code Runnable} or {@code Callable} command and optionally returns a list of r

Handles a {@code ParameterException} that occurred while {@linkplain #parseArgs(String...) parsing} the command line arguments and optionally returns

Processes a List of {@code CommandLine} objects resulting from successfully {@linkplain #parse(String...) parsing} the command line arguments and opti

Returns {@code true} if an exit code was set with {@link #andExit(int)}, or {@code false} (the default) if the handler should not call {@link System#e