public OptionDialogBuilder setDefaultButton(String optionName) {
		defaultOption = optionName;
		return this;
	}
Sets the name of the button to be used as the default button.

@param optionName the name of the option to be the default.
@return this builder object.
Ghidra/Framework/Docking/src/main/java/docking/widgets/OptionDialogBuilder.java