MCRequiredArgumentBuilder
Importing the class
It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import at the very top of the file.
Extending MCArgumentBuilder
MCRequiredArgumentBuilder extends MCArgumentBuilder. That means all methods available in MCArgumentBuilder are also available in MCRequiredArgumentBuilder
Casters
Methods
Return Type: MCArgumentCommandNode
Return Type: Collection<MCCommandNode>
Return Type: MCCommand
Return Type: MCCommandNode
Return Type: MCRedirectModifier
Return Type: Predicate<MCCommandSource>
Return Type: MCSuggestionProvider