CommandLine.Help.IParamLabelRenderer (picocli 4.7.5 API)

Enclosing class:

CommandLine.Help
```
public static interface CommandLine.Help.IParamLabelRenderer
```
When customizing online usage help for an option parameter or a positional parameter, a custom IParamLabelRenderer can be used to render the parameter name or label to a String.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`CommandLine.Help.Ansi.Text`	`renderParameterLabel(CommandLine.Model.ArgSpec argSpec, CommandLine.Help.Ansi ansi, List<CommandLine.Help.Ansi.IStyle> styles)`	Returns a text rendering of the option parameter or positional parameter; returns an empty string `""` if the option is a boolean and does not take a parameter.
`String`	`separator()`	Returns the separator between option name and param label.

- Method Detail
  - renderParameterLabel
```
CommandLine.Help.Ansi.Text renderParameterLabel(CommandLine.Model.ArgSpec argSpec,
                                                CommandLine.Help.Ansi ansi,
                                                List<CommandLine.Help.Ansi.IStyle> styles)
```
    Returns a text rendering of the option parameter or positional parameter; returns an empty string "" if the option is a boolean and does not take a parameter.
    
    Parameters:
    
    argSpec - the named or positional parameter with a parameter label
    
    ansi - determines whether ANSI escape codes should be emitted or not
    
    styles - the styles to apply to the parameter label
    
    Returns:
    
    a text rendering of the Option parameter or positional parameter
    
    Since:
    
    3.0
  - separator
```
String separator()
```
    Returns the separator between option name and param label.
    
    Returns:
    
    the separator between option name and param label