Config Options for apex

Option	Description	Values	Default
sortParamsByRequiredFlag	Sort method arguments to place required parameters before optional parameters.		true
ensureUniqueParams	Whether to ensure parameter names are unique in an operation (rename parameters that are not).		true
allowUnicodeIdentifiers	boolean, toggles whether unicode identifiers are allowed in names or not, default is false		false
prependFormOrBodyParameters	Add form or body parameters to the beginning of the parameter list.		false
classPrefix	Prefix for generated classes. Set this to avoid overwriting existing classes in your org.		null
apiVersion	The Metadata API version number to use for components in this package.		null
buildMethod	The build method for this package.		null
namedCredential	The named credential name for the HTTP callouts		null